US3283358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy duty caster
Assignee: Individual
•
Filing: 1964-09-16
•
Granted: 1966-11-08
•
Expires: 1984-09-16
Abstract
No abstract record available.
Inventors
- 👤 Richard S Merriam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:25
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/0028; B60B33/0002; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/201; F16C2326/00; F16C2326/01; F16C2326/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2666677A
Cited
US2675283A
Cited
FR1116740A
Cited
US2812532A
Cited
US2809130A
Cited
GB857866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |