US2764901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Meter adjustment
Assignee: Rockwell Manufacturing Co
•
Filing: 1951-11-28
•
Granted: 1956-10-02
•
Expires: 1971-11-28
Abstract
No abstract record available.
Inventors
- 👤 Thoresen Einar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:43
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/21; Y10T74/2101; Y10T74/2102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1624835A
Cited
US1770132A
Cited
DE457881C
Cited
US1732247A
Cited
US2162375A
Cited
US2159739A
Cited
US2291883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |