US2798907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switches
Assignee: CASTELCO (GREAT BRITAIN) Ltd
•
Filing: 1954-04-20
•
Granted: 1957-07-09
•
Expires: 1974-04-20
Abstract
No abstract record available.
Inventors
- 👤 Schneider Hans Wernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:21
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/50; H01H13/56; H01H13/58; H01H13/585; H01H17/00; H01H17/16; H01H17/165; H01H19/00; H01H19/64
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |