US2610278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic welding gun and associated system
Assignee: Graham Manufacturing Corp
•
Filing: 1949-03-12
•
Granted: 1952-09-09
•
Expires: 1969-03-12
Abstract
No abstract record available.
Inventors
- 👤 Harold J Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:21
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24; B23K11/26; B23K9/00; B23K9/20; B23K9/201; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T279/1249; Y10T279/1258
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US728572A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |