US2574953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broach
Assignee: Individual
•
Filing: 1948-06-26
•
Granted: 1951-11-13
•
Expires: 1968-06-26
Abstract
No abstract record available.
Inventors
- 👤 Roland T Bess
- 👤 Archie I Bess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:30
CPC Classifications
B; B23; B23D; B23D43/00; B23D43/02; Y; Y10; Y10T; Y10T407/00; Y10T407/16; Y10T407/22; Y10T407/2268
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US401987A
Cited
US1121126A
Cited
US1272841A
Cited
US1370837A
Cited
US2008208A
Cited
US2091736A
Cited
US2292900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |