US1770032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for shaping curved surfaces
Assignee: Individual
•
Filing: 1928-09-14
•
Granted: 1930-07-08
•
Expires: 1948-09-14
Abstract
No abstract record available.
Inventors
- 👤 Gruber Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:29
CPC Classifications
B; B23; B23Q; B23Q27/00; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/10; B23Q35/109; B27; B27C; B27C5/00; B27C5/003; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/303304
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) | 1933-07-07 | 1934-01-06 | 1934-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-07-07 | 1938-01-06 | 1938-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-07-07 | 1942-01-06 | 1942-07-08 | $7700.00 | Window Closed / Lapsed |