Patent US2731104A successfully refreshed from Google Patents.
US2731104A
Expired / Lapsed
US
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Air grille
Assignee: Motors Liquidation Co
•
Filing: 1953-10-08
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Granted: 1956-01-17
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Expires: 1973-10-08
Abstract
No abstract record available.
Inventors
- 👤 Albert D Baker
- 👤 Lloyd E Muller
- 👤 Edward P Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:27
CPC Classifications
B; B60; B60H; B60H3/00; B60H3/06; B60H3/0608; B60H3/0616; Y; Y10; Y10S; Y10S55/00; Y10S55/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US693638A
Cited
US1113883A
Cited
FR656550A
Cited
US1911851A
Cited
US1916907A
Cited
US2035097A
Cited
US2503918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |