US2785453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable fastener structure
Assignee: Individual
•
Filing: 1952-06-11
•
Granted: 1957-03-19
•
Expires: 1972-06-11
Abstract
No abstract record available.
Inventors
- 👤 Alan W Wentz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:50
CPC Classifications
A; A47; A47K; A47K5/00; A47K5/02; E; E05; E05C; E05C19/00; E05C19/06; E05C19/063; E05C19/066; F; F16; F16B; F16B9/00; F16B9/05; F16B9/054; A47K2201/00; Y; Y10; Y10S; Y10S292/00; Y10S292/38; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45775; Y10T292/00; Y10T292/08; Y10T292/0876; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US300451A
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US321389A
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US444338A
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US665901A
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US2088955A
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US2172125A
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US2548004A
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US2379529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |