US2845510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupters
Assignee: Siemens Schuckertwerke AG
•
Filing: 1955-08-31
•
Granted: 1958-07-29
•
Expires: 1975-08-31
Abstract
No abstract record available.
Inventors
- 👤 Biersack Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:04
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/70; H01H33/88; H01H33/90; H01H33/92; H01H33/02; H01H33/04; H01H33/18; H01H33/182; H01H33/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1554528A
Cited
US1953615A
Cited
DE679423C
Cited
FR784035A
Cited
US2152283A
Cited
US2223975A
Cited
US2459599A
Cited
US2439264A
Cited
US2590524A
Cited
US2545334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |