Patent US2444042A successfully refreshed from Google Patents.
US3359697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspended ceilings
Assignee: LUMINOUS CEILINGS Inc
•
Filing: 1964-03-05
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Granted: 1967-12-26
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Expires: 1984-03-05
Abstract
No abstract record available.
Inventors
- 👤 Gean D Smith
- 👤 Willard W Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:03
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/064; E04B9/02; E04B9/12; E04B9/14; E04B9/34
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
IN A CORNER POST AND BAFFLE CONSTRUCTION FOR A SUSPENDED CEILING, SAID CORNER POST HAVING SAID BAFFLE EXTENDING THEREFROM AT RIGHT ANGLES WITH RESPECT TO EACH OTHER, EACH OF SAID BAFFLE HAVING SPACED SIDES AND SECURED TO SAID CORNER POST, SAID CORNER POST COMPRISING AN ELONGATED HOLLOW WALLED MEMBER OF RECTANGULAR CORSS-SECTION, SAID WALLED MEMBER HAVING FLANGES EXTENDING THEREFROM EMBRACED BY THE SPACED SIDES OF SAID BAFFLES, A WEB CONNECTING THE SPACED SIDES OF EACH OF SAID BAFFLES NEAR EACH END THEREOF, A SECURING MEANS DISPOSED BETWEEN THE WITH COOPERATING SECURING MEANS DISPOSED BETWEEN THE FLANGES OF SAID HOLLOW MEMBER AND ENGAGEABLE WITH SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |