Patent US2820858A successfully refreshed from Google Patents.
US2820858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distributor point adjustments
Assignee: Motors Liquidation Co
•
Filing: 1953-07-29
•
Granted: 1958-01-21
•
Expires: 1973-07-29
Abstract
No abstract record available.
Inventors
- 👤 Bert E Tompkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:42
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/34; F; F02; F02P; F02P5/00; F02P5/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2594447A
Cited
US2640891A
Cited
US2048860A
Cited
US2353471A
Cited
US2503082A
Cited
US2568162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |