US2755441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counting rate meter
Assignee: Individual
•
Filing: 1953-12-11
•
Granted: 1956-07-17
•
Expires: 1973-12-11
Abstract
No abstract record available.
Inventors
- 👤 Howard D Gulnac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:07
CPC Classifications
G; G01; G01R; G01R23/00; G01R23/02; G01R23/06; G01R23/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2573150A
Cited
US2619618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |