US2804419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-sealing cloth and plastic
Assignee: Beltx Corp
•
Filing: 1955-07-14
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Granted: 1957-08-27
•
Expires: 1975-07-14
Abstract
No abstract record available.
Inventors
- 👤 Woskin Irvin S De
- 👤 Murgatroyd H Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:24
CPC Classifications
D; D06; D06H; D06H5/00; B; B29; B29C; B29C65/00; B29C65/02; B29C65/04; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/50; B29C65/5042; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/305; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/72; B29C66/729; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29C66/71; B29C66/712; B29K; B29K2313/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/108; Y10T428/00; Y10T428/19; Y10T428/192; Y10T428/197
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
THE METHOD OF SECURING TOGETHER HEAT-SEALABLE SHEET PLASTIC AND CLOTH COMPRISING ASSEMBLING THE SHEET PLASTIC AND THE CLOTH WITH AN AUXILIARY PIECE OF HEAT-SEALABLE PLASTIC ON THE OTHER SIDE OF THE CLOTH FROM THE SHEET PLASTIC EFFECTING HEATING AND COMPRESSION OF THE ASSEMBLY WITHIN A ZONE OF SMALLER AREA THAN SAID AUXILIARY PIECE OF PLASTIC TO EFFECT A FUSION OF THE SHEET PLASTIC AND THE AUXILIARY PIECE OF PLASTIC THROUGH THE CLOTH WITHIN SAID ZONE, AND PEELING AWAY THE EXCESS UNFUSED PORTION OF SAID AUXILIARY PIECE OF PLASTIC FROM AROUND SAID ZONE.
Claim 2
Independent Claim
92 words
THE METHOD OF SECURING TOGETHER HEAT-SEALABLE SHEET PLASTIC AND CLOTH COMPRISING ASSEMBLING THE SHEET PLASTIC AND THE CLOTH WITH AN AUXILIARY PIECE OF HEAT-SEALABLE PLASTIC ON THE OTHER SIDE OF THE CLOTH FROM THE SHEET PLASTIC EFFECTING HEATING AND COMPRESSION OF THE ASSEMBLY WITHIN A ZONE OF SMALLER AREA THAN SAID AUXILIARY PIECE OF PLASTIC TO EFFECT A FUSION OF THE SHEET PLASTIC AND THE AUXILIARY PIECE OF PLASTIC THROUGH THE CLOTH WITHIN SAID ZONE, AND PEELING AWAY THE EXCESS UNFUSED PORTION OF SAID AUXILIARY PIECE OF PLASTIC FROM AROUND SAID ZONE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |