US2916705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric circuit arrangement for generating substantially linear voltage changes
Assignee: US Philips Corp
•
Filing: 1956-05-22
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Granted: 1959-12-08
•
Expires: 1976-05-22
Abstract
No abstract record available.
Inventors
- 👤 Stephenson William Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:30
CPC Classifications
B; B41; B41J; B41J35/00; B41J35/30; B41J35/35; H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/50; H03K4/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2663800A
Cited
US2764643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |