US3477647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel spray nozzle
Assignee: Motors Liquidation Co
•
Filing: 1967-02-20
•
Granted: 1969-11-11
•
Expires: 1987-02-20
Abstract
No abstract record available.
Inventors
- 👤 Richard G Grundman
- 👤 Cecil H Sharpe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:44
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US935124A
Cited
US1432958A
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US1497462A
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US1847964A
Cited
US1919027A
Cited
US2127883A
Cited
FR851714A
Cited
US3131779A
Cited
US3132670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |