US2015892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stock feeding mechanism for packaging machines
Assignee: BROWN BAG FILLING MACHINE Co
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Filing: 1931-05-14
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Granted: 1935-10-01
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Expires: 1951-05-14
Abstract
No abstract record available.
Inventors
- 👤 Burpee D Greenlaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:50
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/02; B65G47/04; B65G47/12; B65G47/14; B65G47/1407; B65G47/1478
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) | 1938-09-30 | 1939-04-01 | 1939-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-30 | 1943-04-01 | 1943-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-30 | 1947-04-01 | 1947-10-01 | $7700.00 | Window Closed / Lapsed |