US2460657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for peening the inside of tubes and other hollow bodies
Assignee: Lancaster Processes Inc
•
Filing: 1944-12-22
•
Granted: 1949-02-01
•
Expires: 1964-12-22
Abstract
No abstract record available.
Inventors
- 👤 Robinson Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:25
CPC Classifications
B; B24; B24B; B24B31/00; B24B31/006; C; C21; C21D; C21D7/00; C21D7/02; C21D7/04; C21D7/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US141247A
Cited
US751506A
Cited
US703415A
Cited
US837309A
Cited
US937180A
Cited
US1050534A
Cited
US1481741A
Cited
US1851932A
Cited
US1770847A
Cited
GB306936A
Cited
US1833025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-01 | 1952-08-02 | 1953-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-01 | 1956-08-02 | 1957-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-01 | 1960-08-02 | 1961-02-01 | $7700.00 | Window Closed / Lapsed |