US3059433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure and force multiplying devices
Assignee: Individual
•
Filing: 1961-02-14
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Granted: 1962-10-23
•
Expires: 1981-02-14
Abstract
No abstract record available.
Inventors
- 👤 Hirsch George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:07
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/02; F15B11/028; F15B11/032; F15B11/0325; F15B7/00; F15B7/04; F15B2211/00; F15B2211/20; F15B2211/21; F15B2211/214; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; F15B2211/775
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |