Patent US2718276A successfully refreshed from Google Patents.
US2718276A
Expired / Lapsed
US
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Air separator
Assignee: Gilbarco Inc
•
Filing: 1953-10-27
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Granted: 1955-09-20
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Expires: 1973-10-27
Abstract
No abstract record available.
Inventors
- 👤 Alfred L Grise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:56
CPC Classifications
F; F04; F04D; F04D9/00; F04D9/001; G; G01; G01F; G01F15/00; G01F15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US858154A
Cited
US1777806A
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US1829401A
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US1893429A
Cited
DE611892C
Cited
US2106651A
Cited
US2091912A
Cited
US2592685A
Cited
US2642148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |