US3429228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction-free fluid meter
Assignee: Smith Meter Inc
•
Filing: 1966-11-30
•
Granted: 1969-02-25
•
Expires: 1986-11-30
Abstract
No abstract record available.
Inventors
- 👤 John T Stoica
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:02
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/02; G01F3/04; G01F3/06; G01F3/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA467596A
Cited
US2174728A
Cited
US2301405A
Cited
US2298022A
Cited
US2683228A
Cited
US3067831A
Cited
US3241457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |