US2033749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milling machine head
Assignee: GA Gray Co
•
Filing: 1934-02-02
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Granted: 1936-03-10
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Expires: 1954-02-02
Abstract
No abstract record available.
Inventors
- 👤 John M Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:37
CPC Classifications
B; B23; B23C; B23C1/00; B23C1/02; F; F16; F16H; F16H1/00; F16H1/28; F16H2001/2881; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306664; Y10T409/306776; Y10T409/309184; Y10T409/309352
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) | 1939-03-10 | 1939-09-09 | 1940-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-03-10 | 1943-09-09 | 1944-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-03-10 | 1947-09-09 | 1948-03-10 | $7700.00 | Window Closed / Lapsed |