US2465035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauging device
Assignee: Sheffield Corp
•
Filing: 1945-07-16
•
Granted: 1949-03-22
•
Expires: 1965-07-16
Abstract
No abstract record available.
Inventors
- 👤 Louis F Polk
- 👤 Mahlmeister Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:42
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/22; Y; Y10; Y10S; Y10S33/00; Y10S33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB136689A
Cited
US1982528A
Cited
US1965333A
Cited
US2139282A
Cited
US2254259A
Cited
US2346406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |