US2858461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Meter registers and drive mechanisms therefor
Assignee: Rockwell Manufacturing Co
•
Filing: 1952-03-14
•
Granted: 1958-10-28
•
Expires: 1972-03-14
Abstract
No abstract record available.
Inventors
- 👤 Robert Z Hague
- 👤 Karlby Henning
- 👤 Amos B Newbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:18
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/06; G01F15/065; G01F15/066; G01F3/00; G01F3/02; G01F3/04; G01F3/06; G01F3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US280322A
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US593612A
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US1563769A
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FR625135A
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US1870155A
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US2213799A
Cited
US2366562A
Cited
US2399856A
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US2487783A
Cited
US2577282A
Cited
US2566220A
Cited
US2556854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |