US2549393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening
Assignee: Individual
•
Filing: 1945-03-23
•
Granted: 1951-04-17
•
Expires: 1965-03-23
Abstract
No abstract record available.
Inventors
- 👤 Josephine M Siesel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:27
CPC Classifications
F; F16; F16B; F16B35/00; F16B35/02; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/929; Y10S411/938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US711653A
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US725279A
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US947602A
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US1057975A
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US1176333A
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US1172406A
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US1181971A
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US1187714A
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US1513301A
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US1470423A
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US1874595A
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US1862486A
Cited
US2289516A
Cited
US2145587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |