US2791372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1945-04-26
•
Granted: 1957-05-07
•
Expires: 1965-04-26
Abstract
No abstract record available.
Inventors
- 👤 Anthony A Abbatiello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:09
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/02; F04B39/0223; F04B39/023; F04B39/0238; F04B39/0005; F04B39/04; F04B39/041; F04B39/045; F04B39/047; F04B39/12; F04B39/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1147221A
Cited
US1239869A
Cited
US1397914A
Cited
US1546397A
Cited
US1670799A
Cited
US1696436A
Cited
US1740924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |