US2598448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating mechanism for multiple point switches
Assignee: Line Material Co
•
Filing: 1949-05-28
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Granted: 1952-05-27
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Expires: 1969-05-28
Abstract
No abstract record available.
Inventors
- 👤 William O Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:00
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/32; H01H3/44; F; F16; F16H; F16H27/00; F16H27/04; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1441; Y10T74/15; Y10T74/1503; Y10T74/19; Y10T74/1987; Y10T74/19879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |