Patent US3068341A successfully refreshed from Google Patents.
US3068341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceiling light heater
Assignee: Individual
•
Filing: 1960-03-28
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Granted: 1962-12-11
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Expires: 1980-03-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph G Ortiz
- 👤 Grant Cuthbert
- 👤 Morris L Markel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:49
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/02; F21S8/026; F21V; F21V21/00; F21V21/02; F21V21/04; F21V33/00; F21V33/0088; F21V33/0092; F24; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0405; F24H3/0411
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) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |