Patent US2767271A successfully refreshed from Google Patents.
US2767271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch
Assignee: Clarostat Manufacturing Co Inc
•
Filing: 1954-08-27
•
Granted: 1956-10-16
•
Expires: 1974-08-27
Abstract
No abstract record available.
Inventors
- 👤 George J Mucher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:21
CPC Classifications
H; H01; H01H; H01H5/00; H01H5/04; H01H5/06; H01H5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1488452A
Cited
US1564016A
Cited
US1603523A
Cited
US2286163A
Cited
US2235366A
Cited
US2286162A
Cited
US2304479A
Cited
US2642506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |