US2638015A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control device
Assignee: Motors Liquidation Co
•
Filing: 1950-12-04
•
Granted: 1953-05-12
•
Expires: 1970-12-04
Abstract
No abstract record available.
Inventors
- 👤 Harold J Schoelles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:20
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/02; B; B60; B60H; B60H1/00; B60H1/00642; B60H1/0065; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/726; Y10T70/7271; Y10T70/7288; Y10T70/7299; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20468; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1911540A
Cited
US1339811A
Cited
US1579234A
Cited
US1575826A
Cited
US1760097A
Cited
US1875791A
Cited
US1830736A
Cited
US1986232A
Cited
US2095920A
Cited
US2132919A
Cited
US2130219A
Cited
US2304960A
Cited
US2377691A
Cited
US2448968A
Cited
US2522540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |