Patent US2910568A successfully refreshed from Google Patents.
US2910568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resistance heating device
Assignee: GM Pfaff AG
•
Filing: 1957-01-09
•
Granted: 1959-10-27
•
Expires: 1977-01-09
Abstract
No abstract record available.
Inventors
- 👤 Schenkengel Emerich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:46
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/20; B29C65/22; B29C65/221; B29C65/224; B29C65/226; B29C65/228; B29C65/78; B29C65/7802; B29C65/7832; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/80; B29C66/81; B29C66/818; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/84; B29C66/845; B29C66/812; B29C66/8122
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US868495A
Cited
US1684143A
Cited
US1792688A
Cited
US2033897A
Cited
US2101913A
Cited
US2396594A
Cited
US2421125A
Cited
US2510308A
Cited
US2574094A
Cited
US2814712A
Cited
US2701835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |