US3444774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stud-and-fastener assembly
Assignee: United Carr Inc
•
Filing: 1967-07-05
•
Granted: 1969-05-20
•
Expires: 1987-07-05
Abstract
No abstract record available.
Inventors
- 👤 William B Duffy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:56
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/20; F16B21/205; Y; Y10; Y10S; Y10S411/00; Y10S411/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2260147A
Cited
US2321158A
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US2397238A
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US2798406A
Cited
US2969705A
Cited
US2862413A
Cited
US3006231A
Cited
GB962511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |