Patent US2845760A successfully refreshed from Google Patents.
US2845760A
Expired / Lapsed
US
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Bag top closing and sealing machine
Assignee: Bemis Brothers Bag Co
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Filing: 1956-11-05
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Granted: 1958-08-05
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Expires: 1976-11-05
Abstract
No abstract record available.
Inventors
- 👤 Frank L Hopkins
- 👤 Richard H Ayres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:07
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/04; B65B51/06; B65B51/062; B65B51/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2097447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |