US2996735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for securing a plated washer to a plated nut or bolt by fusing the platings
Assignee: Individual
•
Filing: 1957-12-23
•
Granted: 1961-08-22
•
Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 Louis T Knocke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:09
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/24; F16B39/26; Y; Y10; Y10S; Y10S29/00; Y10S29/012; Y10S411/00; Y10S411/955; Y10S411/956; Y10S411/96; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR721806A
Cited
US1945005A
Cited
US1874462A
Cited
US1921247A
Cited
US1988926A
Cited
US2155274A
Cited
US2444833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |