Patent US3394747A successfully refreshed from Google Patents.
US3394747A
Expired / Lapsed
US
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Captive-bolt assembly
Assignee: United Carr Inc
•
Filing: 1966-07-15
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Granted: 1968-07-30
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Expires: 1986-07-15
Abstract
No abstract record available.
Inventors
- 👤 William B Duffy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:36
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/36; F16B21/00; F16B21/10; F16B21/16; F16B39/02; F16B39/10; F16B41/00; F16B41/002; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10S411/999
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US986255A
Cited
US2314489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |