US2628867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplex nozzle
Assignee: Motors Liquidation Co
•
Filing: 1948-01-07
•
Granted: 1953-02-17
•
Expires: 1968-01-07
Abstract
No abstract record available.
Inventors
- 👤 Jr William J Purchas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:19
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/34; B05B1/3405; B05B1/341; B05B1/3468; B05B1/3473; B05B1/12; B05B1/30; B05B1/3006; B05B1/3421; B05B1/3426; B05B1/3478; F; F23; F23D; F23D11/00; F23D11/24; F23D11/26; F23D11/36; F23D11/38; F23D11/383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20027E
Cited
US1439320A
Cited
US1822047A
Cited
US1884931A
Cited
US1873781A
Cited
US2044720A
Cited
GB409211A
Cited
US2313298A
Cited
GB579417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |