US1949879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag making machine
Assignee: Potdevin Machine Co
•
Filing: 1929-07-09
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Granted: 1934-03-06
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Expires: 1949-07-09
Abstract
No abstract record available.
Inventors
- 👤 Potdevin Adolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:19
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/84; B31B70/855; B31B70/857; B31B2155/00; B31B2160/00; B31B2160/10; B31B2170/00; B31B2170/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-03-05 | 1937-09-04 | 1938-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-03-05 | 1941-09-04 | 1942-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-03-05 | 1945-09-04 | 1946-03-06 | $7700.00 | Window Closed / Lapsed |