US2328266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating mechanism for switches
Assignee: EW Bliss Co Inc
•
Filing: 1941-10-28
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Granted: 1943-08-31
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Expires: 1961-10-28
Abstract
No abstract record available.
Inventors
- 👤 Stanley H Durbin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 15:55
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/22; H01H21/24; H01H21/28; H01H21/285; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/20; Y10T74/20006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-08-30 | 1947-03-01 | 1947-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-30 | 1951-03-01 | 1951-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-30 | 1955-03-01 | 1955-08-31 | $7700.00 | Window Closed / Lapsed |