US2651444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bag sealing machine
Assignee: Dewey and Almy Chemical Co
•
Filing: 1947-11-26
•
Granted: 1953-09-08
•
Expires: 1967-11-26
Abstract
No abstract record available.
Inventors
- 👤 Francis B Casey
- 👤 Woodcock Robert Reed
- 👤 Manson E Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:20
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/14; B65B51/146; B65B31/00; B65B31/04; B65B31/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1970193A
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US1993442A
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US2103945A
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US2281187A
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US2277288A
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US2305010A
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US2387812A
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US2410834A
Cited
US2559368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |