Patent US3384528A successfully refreshed from Google Patents.
US3384528A
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US
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Apparatus for severing and welding of thermoplastic tubing film
Assignee: Individual
•
Filing: 1965-01-11
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Granted: 1968-05-21
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Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 Lehmacher Michael
- 👤 Lehmacher Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:49
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B26; B26F; B26F3/00; B26F3/06; B29C65/24; B29C65/30; B29C65/305; B29C65/74; B29C65/743; B29C65/745; B29C65/7451; B29C66/00; B29C66/004; B29C66/0042; B29C66/0044; B29C66/00441; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/349; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/80; B29C66/81; B29C66/812; B29C66/8122; B29C66/814; B29C66/8141; B29C66/81427; B29C66/81431; B29C66/816; B29C66/8161; B29C66/8167; B29C66/818; B29C66/8181; B29C66/81815; B29C66/83; B29C66/832; B29C66/8322; B31; B31B; B31B70/00; B29C66/81411; B29C66/81415; B29C66/81417; B31B2155/00; B31B2160/00; B31B2160/10; B31B70/14; B31B70/16; B31B70/60; B31B70/64; B31B70/642; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1313
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3257256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |