Patent US2703770A successfully refreshed from Google Patents.
US2703770A
Expired / Lapsed
US
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Manufacture of flat inflatable objects
Assignee: Individual
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Filing: 1952-04-15
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Granted: 1955-03-08
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Expires: 1972-04-15
Abstract
No abstract record available.
Inventors
- 👤 Melzer Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:22
CPC Classifications
B; B29; B29D; B29D22/00; B29D22/02; B29C; B29C65/00; B29C65/02; B29C65/04; B29C66/00; B29C66/004; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/131; B29C66/1312; B29C66/20; B29C66/21; B29C66/40; B29C66/41; B29C66/43; B29C66/439; B29C66/47; B29C66/472; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29C66/84; B29C66/843; B32; B32B; B32B3/00; B32B3/10; B32B3/12; B29C66/24; B29C66/242; B29C66/2422; B29C66/24221; B29C66/436; B29C66/70; B29C66/71; B29L; B29L2022/00; B29L2022/02; B29L2031/00; B29L2031/751; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49879; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
111 words
THE METHOD OF PRODUCING AN INFLATABLE STRUCTURE FROM THREE OR MORE LAYERS OF PLASTIC SHEETS, WHICH COMPRISES INTERMITTENTLY APPLYING LOCAL SEALING PRESSURE TO A STACK OF THE SHEETS AT A NUMBER OF MUTUALLY SPACED POINTS, ADVANCING THE STACK IN THE INTERMEDIATE INTERVALS RELATIVE TO THE POINTS OF PRESSURE APPLICATION SO AS TO INCREMENTALLY DISTRIBUTE A MULTITUDE OF SPOT SEALS OVER THE DESIRED STACK AREA, AND ALTERNATELY PLACING FOIL-SEPARATING INSERTS AT THE PRESSURE POINTS TEMPORARILY BETWEEN ONE GROUP OF MUTUALLY ADJACENT SHEETS DURING ONE PRESSING OPERATION AND TEMPORARILY BETWEEN ANOTHER GROUP OF ADJACENT SHEETS DURING THE NEXT PRESSING OPERATION WHEREBY DIFFERENT GROUPS OF SHEETS ARE SEALED TOGETHER AT DIFFERENT SUCCESSIVE SPOTS RESPECTIVELY.
Claim 2
Independent Claim
111 words
THE METHOD OF PRODUCING AN INFLATABLE STRUCTURE FROM THREE OR MORE LAYERS OF PLASTIC SHEETS, WHICH COMPRISES INTERMITTENTLY APPLYING LOCAL SEALING PRESSURE TO A STACK OF THE SHEETS AT A NUMBER OF MUTUALLY SPACED POINTS, ADVANCING THE STACK IN THE INTERMEDIATE INTERVALS RELATIVE TO THE POINTS OF PRESSURE APPLICATION SO AS TO INCREMENTALLY DISTRIBUTE A MULTITUDE OF SPOT SEALS OVER THE DESIRED STACK AREA, AND ALTERNATELY PLACING FOIL-SEPARATING INSERTS AT THE PRESSURE POINTS TEMPORARILY BETWEEN ONE GROUP OF MUTUALLY ADJACENT SHEETS DURING ONE PRESSING OPERATION AND TEMPORARILY BETWEEN ANOTHER GROUP OF ADJACENT SHEETS DURING THE NEXT PRESSING OPERATION WHEREBY DIFFERENT GROUPS OF SHEETS ARE SEALED TOGETHER AT DIFFERENT SUCCESSIVE SPOTS RESPECTIVELY.
Claim 3
Dependent Claim
79 words
AN INFLATABLE STRUCTURE COMPOSED OF PLASTIC SHEETS AND COMPRISING TWO OUTER NON-PERFORATED SHEETS, AT LEAST ONE INNER SHEET HAVING DISTRIBUTED PERFORATIONS, SAID SHEETS BEING DISPOSED UPON EACH OTHER, EACH PAIR OF MUTUALLY ADJACENT SHEETS BEING SEALED TOGETHER AT A NUMBER OF SPOTS AROUND RESPECTIVE PERFORATIONS AND EACH TWO SUCCESSIVE ONES OF SAID SPOTS BEING SPACED FROM EACH OTHER BY A SEAL-FREE PERFORATION, AND SAID SEAL-FREE PERFORATIONS OF ONE PAIR BEING SURROUNDED BY RESPECTIVE SEALS IN THE NEXT ADJACENT PAIR.
Claim 4
Dependent Claim
79 words
AN INFLATABLE STRUCTURE COMPOSED OF PLASTIC SHEETS AND COMPRISING TWO OUTER NON-PERFORATED SHEETS, AT LEAST ONE INNER SHEET HAVING DISTRIBUTED PERFORATIONS, SAID SHEETS BEING DISPOSED UPON EACH OTHER, EACH PAIR OF MUTUALLY ADJACENT SHEETS BEING SEALED TOGETHER AT A NUMBER OF SPOTS AROUND RESPECTIVE PERFORATIONS AND EACH TWO SUCCESSIVE ONES OF SAID SPOTS BEING SPACED FROM EACH OTHER BY A SEAL-FREE PERFORATION, AND SAID SEAL-FREE PERFORATIONS OF ONE PAIR BEING SURROUNDED BY RESPECTIVE SEALS IN THE NEXT ADJACENT PAIR.
References Cited (Backward Citations)
US2269342A
Cited
US2318492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |