US2738542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorbing caster
Assignee: HARRY I CLARK
•
Filing: 1952-04-21
•
Granted: 1956-03-20
•
Expires: 1972-04-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry I Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:19
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/04; B60B33/045; B62; B62B; B62B2301/00; B62B2301/20
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) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |