US2982838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatically controlled soldering iron
Assignee: Robertshaw Controls Co
•
Filing: 1959-09-01
•
Granted: 1961-05-02
•
Expires: 1979-09-01
Abstract
No abstract record available.
Inventors
- 👤 Hugh J Tyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:57
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/04; H01H37/043; B; B23; B23K; B23K3/00; B23K3/02; B23K3/03; B23K3/033; H01H37/32; H01H37/46; H01H37/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1111652A
Cited
US1678407A
Cited
US2332212A
Cited
US2475376A
Cited
GB663214A
Cited
US2908793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |