US2438523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Tinnerman Products Inc
•
Filing: 1944-08-21
•
Granted: 1948-03-30
•
Expires: 1964-08-21
Abstract
No abstract record available.
Inventors
- 👤 George A Tinnerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:13
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/22; F16L3/23; F16L3/08; F16L3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US470698A
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US1277550A
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US800055A
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US896878A
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US1028829A
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US1141188A
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US1182783A
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US1668953A
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US2141222A
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US2365985A
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US2357375A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-03-30 | 1951-09-29 | 1952-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-03-30 | 1955-09-29 | 1956-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-03-30 | 1959-09-29 | 1960-03-30 | $7700.00 | Window Closed / Lapsed |