US2942529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag making machine and method
Assignee: Continental Can Co Inc
•
Filing: 1957-05-08
•
Granted: 1960-06-28
•
Expires: 1977-05-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Piazze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:05
CPC Classifications
B; B31; B31B; B31B50/00; B31B70/00; B31B70/26; B31B70/28; B31B50/26; B31B50/44; B31B50/442; B31B50/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733061A
Cited
US1888783A
Cited
US2100739A
Cited
US2268283A
Cited
US2552479A
Cited
US2390420A
Cited
US2465044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |