Patent US2882956A successfully refreshed from Google Patents.
US2882956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic bag making machine
Assignee: Individual
•
Filing: 1956-11-09
•
Granted: 1959-04-21
•
Expires: 1976-11-09
Abstract
No abstract record available.
Inventors
- 👤 Herman C Weist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:02
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/80; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8324; B31; B31B; B31B70/00; B29C66/70; B29C66/71; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B31B2155/00; B31B2155/003; B31B2160/00; B31B2160/10; B31B2160/106; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1737; Y10T156/1741
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |