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US3054301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain
Assignee: Individual
•
Filing: 1961-04-10
•
Granted: 1962-09-18
•
Expires: 1981-04-10
Abstract
No abstract record available.
Inventors
- 👤 Richard A Kummerer
- 👤 Besten Alfred Den
- 👤 Joseph T Chester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:34
CPC Classifications
F; F16; F16G; F16G13/00; F16G13/02; F16G13/06; F16G13/07
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) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |