US2688058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap switch apparatus
Assignee: Allen Bradley Co LLC
•
Filing: 1952-07-28
•
Granted: 1954-08-31
•
Expires: 1972-07-28
Abstract
No abstract record available.
Inventors
- 👤 Laurence M Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:31
CPC Classifications
H; H01; H01H; H01H5/00; H01H5/04; H01H5/18; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18896; Y10T74/18904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2228523A
Cited
US2425159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |