US2987811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of mounting a captive fastener
Assignee: W F CURLEE
•
Filing: 1957-09-24
•
Granted: 1961-06-13
•
Expires: 1977-09-24
Abstract
No abstract record available.
Inventors
- 👤 Richard L Acres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:34
CPC Classifications
F; F16; F16B; F16B35/00; F16B35/04; F16B35/041; F16B41/00; F16B41/002; Y; Y10; Y10S; Y10S411/00; Y10S411/999; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/49908; Y10T29/49925; Y10T29/49934; Y10T292/00; Y10T292/08; Y10T292/1099
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US219333A
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US241841A
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US1854730A
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GB395321A
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US2010853A
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US2127969A
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US2177191A
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GB617140A
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US2599312A
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US2761484A
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US2829696A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |