US1296651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of securing together heavy steel plates.
Assignee: THOMSON SPOT WELDER Co
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Filing: 1918-07-26
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Granted: 1919-03-11
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Expires: 1938-07-26
Abstract
No abstract record available.
Inventors
- 👤 James H Gravell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:19
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/002; Y; Y10; Y10S; Y10S122/00; Y10S122/16; Y10S76/00; Y10S76/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1922-03-10 | 1922-09-09 | 1923-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-03-10 | 1926-09-09 | 1927-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-03-10 | 1930-09-09 | 1931-03-11 | $7700.00 | Window Closed / Lapsed |