US3443530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furniture fastener
Assignee: Individual
•
Filing: 1967-07-06
•
Granted: 1969-05-13
•
Expires: 1987-07-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond T Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:24
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/44; F16B12/48; A; A47; A47B; A47B13/00; A47B13/02; A47B13/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US970721A
Cited
US2230916A
Cited
GB625513A
Cited
US2482614A
Cited
US2904379A
Cited
US2970025A
Cited
US2982989A
Cited
FR1239236A
Cited
US3228359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |