US2779503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air separator
Assignee: Tokheim Corp
•
Filing: 1950-06-03
•
Granted: 1957-01-29
•
Expires: 1970-06-03
Abstract
No abstract record available.
Inventors
- 👤 George W Wright
- 👤 Robert J Jauch
- 👤 Joseph D Clymer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:48
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/76; B67D7/763
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1215935A
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US2049405A
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US2228401A
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US2258495A
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US2507273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |