US3010378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting and ventilating system
Assignee: Thomas Industries Inc
•
Filing: 1959-10-22
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Granted: 1961-11-28
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Expires: 1979-10-22
Abstract
No abstract record available.
Inventors
- 👤 Robert S Geocaris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:24
CPC Classifications
F; F21; F21V; F21V33/00; F21V33/0088; F21V33/0092; E; E04; E04D; E04D13/00; E04D13/03; E04D13/0325; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/078
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) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |