US3036260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for controlling a.c. circuits
Assignee: HA Schlatter AG
•
Filing: 1957-11-12
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Granted: 1962-05-22
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Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 Berweger Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:33
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/52; B; B23; B23K; B23K11/00; B23K11/24; B23K11/248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2132264A
Cited
US2174386A
Cited
GB548236A
Cited
US2359080A
Cited
US2404643A
Cited
US2765402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |