US2459453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanding arbor
Assignee: Individual
•
Filing: 1945-06-01
•
Granted: 1949-01-18
•
Expires: 1965-06-01
Abstract
No abstract record available.
Inventors
- 👤 William K Rieber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:17
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/40; B23B31/4006; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T279/1012; Y10T279/23; Y10T82/00; Y10T82/26; Y10T82/266; Y10T82/268
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US255010A
Cited
US1164704A
Cited
US1348740A
Cited
US1411292A
Cited
US1781721A
Cited
US1827415A
Cited
US1897228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-18 | 1952-07-19 | 1953-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-18 | 1956-07-19 | 1957-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-18 | 1960-07-19 | 1961-01-18 | $7700.00 | Window Closed / Lapsed |