US2582501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work holder for riveting machines
Assignee: AT&T Inc
•
Filing: 1945-12-08
•
Granted: 1952-01-15
•
Expires: 1965-12-08
Abstract
No abstract record available.
Inventors
- 👤 Norman C Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:30
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/38; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/5313; Y10T29/5317; Y10T29/53265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US639604A
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US881927A
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US1430226A
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US1713696A
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US1586540A
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US1841196A
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US1986983A
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US2240688A
Cited
US2165614A
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US2128316A
Cited
US2433535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |