US2770247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Instruments
Assignee: American Machine and Metals Inc
•
Filing: 1954-09-15
•
Granted: 1956-11-13
•
Expires: 1974-09-15
Abstract
No abstract record available.
Inventors
- 👤 William D Huston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:51
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/42; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2297361A
Cited
US2593129A
Cited
US2518674A
Cited
US2631570A
Cited
US2443891A
Cited
US2536198A
Cited
US2623392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |