US2612647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming welding projections on nuts
Assignee: Individual
•
Filing: 1950-06-02
•
Granted: 1952-10-07
•
Expires: 1970-06-02
Abstract
No abstract record available.
Inventors
- 👤 Earl E Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:50
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/06; F16B37/061; B; B21; B21K; B21K1/00; B21K1/64; B21K1/70; B21K1/701; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2054187A
Cited
US2105139A
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US2314075A
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US2310316A
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US2281699A
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US2335593A
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US2336791A
Cited
US2385991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |