US2913863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming edge seal closures on bags
Assignee: Amsco Packaging Machinery Inc
•
Filing: 1958-03-19
•
Granted: 1959-11-24
•
Expires: 1978-03-19
Abstract
No abstract record available.
Inventors
- 👤 John D Sylvester
- 👤 Edwin E Messmer
- 👤 Jr John D Keenan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:37
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2253036A
Cited
US2356472A
Cited
US2441940A
Cited
US2672268A
Cited
US2697473A
Cited
US2606850A
Cited
US2741885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |