Patent US3526750A successfully refreshed from Google Patents.
US3526750A
Expired / Lapsed
US
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Thermal tool
Assignee: Pace Inc
•
Filing: 1967-06-02
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Granted: 1970-09-01
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Expires: 1987-06-02
Abstract
No abstract record available.
Inventors
- 👤 William J Siegel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:43
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/02; B23K3/03; B23K3/0315; H; H05; H05B; H05B3/00; H05B2203/00; H05B2203/03; Y; Y10; Y10T; Y10T83/00; Y10T83/283; Y10T83/293
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR564175A
Cited
US1834555A
Cited
US2012938A
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US2101913A
Cited
FR832358A
Cited
US2310844A
Cited
US2701835A
Cited
FR1315489A
Cited
US3234356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |