US2738672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-fogging meters
Assignee: Individual
•
Filing: 1953-05-25
•
Granted: 1956-03-20
•
Expires: 1973-05-25
Abstract
No abstract record available.
Inventors
- 👤 Grover H Smith
- 👤 Richard D Wans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:52
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/053; G01F15/00; G01F15/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US165673A
Cited
US350619A
Cited
US957082A
Cited
US855473A
Cited
US1893177A
Cited
US2246250A
Cited
US2410852A
Cited
US2413252A
Cited
US2380215A
Cited
GB651056A
Cited
US2647235A
Cited
US2647404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |