US3372270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceiling modules
Assignee: Emerson Electric Co
•
Filing: 1965-09-22
•
Granted: 1968-03-05
•
Expires: 1985-09-22
Abstract
No abstract record available.
Inventors
- 👤 Murray L Quin
- 👤 Willard R Garnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:17
CPC Classifications
F; F21; F21V; F21V33/00; F21V33/0088; E; E04; E04B; E04B9/00; E04B9/32; F21S; F21S2/00; F21S2/005; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/078
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3246137A
Cited
US2223874A
Cited
US2759094A
Cited
US2956149A
Cited
US2845855A
Cited
US3146956A
Cited
US3103157A
Cited
US3202815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |