US2446994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive-operated shears
Assignee: Individual
•
Filing: 1944-03-01
•
Granted: 1948-08-17
•
Expires: 1964-03-01
Abstract
No abstract record available.
Inventors
- 👤 George A Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:15
CPC Classifications
F; F41; F41C; F41C27/00; F41C27/20; Y; Y10; Y10S; Y10S30/00; Y10S30/04; Y10T; Y10T83/00; Y10T83/364
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE284782C
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US1304549A
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US655577A
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US785973A
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US1161223A
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GB191507442A
Cited
GB191513620A
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US1211779A
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US1636357A
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US1915435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-17 | 1952-02-16 | 1952-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-17 | 1956-02-16 | 1956-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-17 | 1960-02-16 | 1960-08-17 | $7700.00 | Window Closed / Lapsed |