US1751453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifriction wheel
Assignee: Individual
•
Filing: 1927-06-25
•
Granted: 1930-03-18
•
Expires: 1947-06-25
Abstract
No abstract record available.
Inventors
- 👤 Beemer Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:51
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C13/00; F16C13/006; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C43/00; F16C43/04; F16C2240/00; F16C2240/40; F16C2240/70; F16C2240/80; F16C2240/82; F16C2240/84; F16C2326/00; F16C2326/01; F16C2326/02; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-03-17 | 1933-09-16 | 1934-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-03-17 | 1937-09-16 | 1938-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-03-17 | 1941-09-16 | 1942-03-18 | $7700.00 | Window Closed / Lapsed |