US2743631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridge actuated sealing tool
Assignee: Acme Steel Co
•
Filing: 1953-01-22
•
Granted: 1956-05-01
•
Expires: 1973-01-22
Abstract
No abstract record available.
Inventors
- 👤 Chester M Macchesney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:46
CPC Classifications
B; B65; B65B; B65B13/00; B65B13/18; B65B13/185; B65B13/187; B65B13/189; Y; Y10; Y10S; Y10S30/00; Y10S30/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2446994A
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US2677981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |