US2452108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction shock absorbing mechanism
Assignee: W H MINER Inc
•
Filing: 1944-02-10
•
Granted: 1948-10-26
•
Expires: 1964-02-10
Abstract
No abstract record available.
Inventors
- 👤 George E Dath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:16
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/12; B61F5/122; F; F16; F16F; F16F7/00; F16F7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191404120A
Cited
US1442893A
Cited
US1674824A
Cited
US1695500A
Cited
US2050541A
Cited
US2198261A
Cited
US2279914A
Cited
US2335847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-26 | 1952-04-26 | 1952-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-26 | 1956-04-26 | 1956-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-26 | 1960-04-26 | 1960-10-26 | $7700.00 | Window Closed / Lapsed |