US2900615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Potentiometer
Assignee: Individual
•
Filing: 1956-08-24
•
Granted: 1959-08-18
•
Expires: 1976-08-24
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Gottschall
- 👤 Guggenheim S Frederic
- 👤 Peter J Waznys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:53
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/38; H01C10/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1506812A
Cited
US1623198A
Cited
US1673581A
Cited
US1590797A
Cited
US2234745A
Cited
US2292425A
Cited
CH240672A
Cited
US2706230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |