Patent US2496104A successfully refreshed from Google Patents.
US2496104A
Expired / Lapsed
US
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Hydropneumatic pressure booster and welding gun
Assignee: Individual
•
Filing: 1946-07-11
•
Granted: 1950-01-31
•
Expires: 1966-07-11
Abstract
No abstract record available.
Inventors
- 👤 Elmer F Paner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:05
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/30; B23K11/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1315876A
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US1153384A
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US1645705A
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US2085105A
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US2063258A
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US2337022A
Cited
US2126490A
Cited
GB525707A
Cited
US2283826A
Cited
US2341459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |