Patent US3049645A successfully refreshed from Google Patents.
US3049645A
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US
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Preset lighting control system
Assignee: SKIRPAN LIGHTING SYSTEMS Inc
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Filing: 1959-06-29
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Granted: 1962-08-14
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Expires: 1979-06-29
Abstract
No abstract record available.
Inventors
- 👤 Skirpan Stephen James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:55
CPC Classifications
H; H05; H05B; H05B47/00; H05B47/10; H05B47/155
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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |