US2860217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable electrical instruments
Assignee: Individual
•
Filing: 1956-11-19
•
Granted: 1958-11-11
•
Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Marlan E Bourns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:33
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/38; H01C10/40; H01C10/42; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1529; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18128; Y10T74/18136; Y10T74/18568; Y10T74/18576; Y10T74/18696; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19907; Y10T74/19949; Y10T74/19963; Y10T74/19967; Y10T74/21; Y10T74/2133
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2363132A
Cited
US2427297A
Cited
US2501674A
Cited
US2469105A
Cited
US2633510A
Cited
US2668218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |