US2541223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrator
Assignee: Motors Liquidation Co
•
Filing: 1948-05-15
•
Granted: 1951-02-13
•
Expires: 1968-05-15
Abstract
No abstract record available.
Inventors
- 👤 Harold V Elliott
- 👤 Brooks H Short
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:44
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/64; H01H50/74; H01H50/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2131789A
Cited
US2071384A
Cited
US2120273A
Cited
US2190685A
Cited
US2156487A
Cited
US2213854A
Cited
US2286848A
Cited
US2372966A
Cited
US2432944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |