US3462073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air compressor
Assignee: Peters and Russell Inc
•
Filing: 1966-12-15
•
Granted: 1969-08-19
•
Expires: 1986-12-15
Abstract
No abstract record available.
Inventors
- 👤 Linus E Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:02
CPC Classifications
F; F04; F04B; F04B45/00; F04B45/04; F04B39/00; F04B39/10; F04B39/1073; F04B39/108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1198971A
Cited
US2095842A
Cited
US2109718A
Cited
US2225395A
Cited
US2364111A
Cited
US2919655A
Cited
US2819013A
Cited
US3149576A
Cited
US3198128A
Cited
US3356100A
Cited
US3320900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |