US3470795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making plastic bags
Assignee: Paramount Packaging Corp
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Filing: 1967-08-30
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Granted: 1969-10-07
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Expires: 1987-08-30
Abstract
No abstract record available.
Inventors
- 👤 Francis A Davis Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:25
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/74; B29C65/749; B29C65/02; B29C65/08; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C65/743; B29C65/7441; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/13; B29C66/135; B29C66/1352; B29C66/20; B29C66/24; B29C66/244; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/818; B29C66/8181; B29C66/81811; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; B29C66/84; B29C66/851; B29C66/8511; B29C2793/00; B29C2793/0009; B29C66/81411; B29C66/81421; B29C66/81422; B29L; B29L2031/00; B29L2031/712; B29L2031/7128; B31; B31B; B31B70/00; B31B70/14; B31B70/60; B31B70/64; B31B70/642; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1054; Y10T156/108; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |