US2669129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipressure totalizing device and adjustable fulcrum therefor
Assignee: Hagan Corp
•
Filing: 1951-04-20
•
Granted: 1954-02-16
•
Expires: 1971-04-20
Abstract
No abstract record available.
Inventors
- 👤 Ray S Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:15
CPC Classifications
G; G01; G01L; G01L15/00; G01L5/00; G01L5/18; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1587522A
Cited
USRE19745E
Cited
US856784A
Cited
US1780713A
Cited
US2078106A
Cited
US2127663A
Cited
US2136454A
Cited
US2231696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |