Patent US2642148A successfully refreshed from Google Patents.
US2642148A
Expired / Lapsed
US
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Combined pump and air separator unit
Assignee: Gilbarco Inc
•
Filing: 1952-04-08
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Granted: 1953-06-16
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Expires: 1972-04-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred L Grise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:13
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/76; B67D7/763; B01; B01D; B01D19/00; B01D19/0042; B01D19/0052; B01D19/0063; F; F04; F04C; F04C11/00; F04C2220/00; F04C2220/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2330703A
Cited
US2423439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |