Patent US2442586A successfully refreshed from Google Patents.
US2442586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Straight-line recording mechanism
Assignee: General Electric Co
•
Filing: 1946-09-28
•
Granted: 1948-06-01
•
Expires: 1966-09-28
Abstract
No abstract record available.
Inventors
- 👤 Earl W Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:16
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/12; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18232; Y10T74/1824
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US407461A
Cited
US631540A
Cited
US1039891A
Cited
FR548159A
Cited
DE554340C
Cited
GB357187A
Cited
US2392487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-01 | 1951-12-01 | 1952-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-01 | 1955-12-01 | 1956-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-01 | 1959-12-01 | 1960-06-01 | $7700.00 | Window Closed / Lapsed |