US2881280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric snap switch
Assignee: CHICAGO TELEPHONE SUPPLY Corp
•
Filing: 1958-02-14
•
Granted: 1959-04-07
•
Expires: 1978-02-14
Abstract
No abstract record available.
Inventors
- 👤 Wayne A Barden
- 👤 Mervin B Arisman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:04
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/32; H01C10/36; H01C10/363
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE427865C
Cited
FR814209A
Cited
US2612577A
Cited
US2671140A
Cited
US2762880A
Cited
US2671841A
Cited
US2777911A
Cited
US2844676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |