Patent US3629888A successfully refreshed from Google Patents.
US2983534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite article
Assignee: Individual
•
Filing: 1958-09-22
•
Granted: 1961-05-09
•
Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Robert M Heller
- 👤 Raymond A Cragin
- 👤 Edward L Mroz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:27
CPC Classifications
F; F16; F16B; F16B43/00; F16B43/001; F16B39/00; F16B39/22; F16B39/24; Y; Y10; Y10S; Y10S411/00; Y10S411/915; Y10S411/924; Y10S411/947; Y10S411/955; Y10S411/956; Y10S411/96
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |