US2631272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring system
Assignee: GRAYDON SMITH PRODUCTS Corp
•
Filing: 1949-12-06
•
Granted: 1953-03-10
•
Expires: 1969-12-06
Abstract
No abstract record available.
Inventors
- 👤 Smith Graydon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:29
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/22; G01D5/225; G01D5/2275; G01D5/2283; G01L; G01L9/00; G01L9/0026; G01L9/0029
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2207248A
Cited
US2420539A
Cited
US2419573A
Cited
US2379417A
Cited
US2416159A
Cited
US2484022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |