US3277624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beamed ceiling contructions
Assignee: GROOVFOLD FABRICATORS Inc
•
Filing: 1963-07-29
•
Granted: 1966-10-11
•
Expires: 1983-07-29
Abstract
No abstract record available.
Inventors
- 👤 Richard R Cornell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:52
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/005; Y; Y10; Y10S; Y10S52/00; Y10S52/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A BEAMED CEILING SYSTEM SUPPORTED FROM A SUPERSTRUCTURE COMPRISING ONE OR MORE SHEETS OF FLEXIBLE SHEET MATERIAL, A PLURALITY OF PARALLEL MITERED RABBETS IN SAID SHEETS, SAID SHEETS FOLDED ALONG SAID RABBETS, EACH FOLDED SHEET FORMING THE EXPOSED SURFACES OF A SIMULATED BEAM AND TWO MOUNTING FLANGES, A LOCK NOTCH ON THE UNDER SIDE OF EACH MOUNTING FLANGE, PRIMARY HANGERS, EACH SAID PRIMARY HANGER HAVING A MOUNTING BASE AND SUPPORT WINGS, AT LEAST ONE LOCK LUG ON EACH WING, ATTACHING MEANS OPERABLY JOINED TO SAID MOUNTING BASE AND EXTENDING UPWARDLY THEREFROM ATTACHING THE HANGER AND THE FLEXIBLE
Claim 2
Dependent Claim
97 words
A BEAMED CEILING SYSTEM SUPPORTED FROM A SUPERSTRUCTURE COMPRISING ONE OR MORE SHEETS OF FLEXIBLE SHEET MATERIAL, A PLURALITY OF PARALLEL MITERED RABBETS IN SAID SHEETS, SAID SHEETS FOLDED ALONG SAID RABBETS, EACH FOLDED SHEET FORMING THE EXPOSED SURFACES OF A SIMULATED BEAM AND TWO MOUNTING FLANGES, A LOCK NOTCH ON THE UNDER SIDE OF EACH MOUNTING FLANGE, PRIMARY HANGERS, EACH SAID PRIMARY HANGER HAVING A MOUNTING BASE AND SUPPORT WINGS, AT LEAST ONE LOCK LUG ON EACH WING, ATTACHING MEANS OPERABLY JOINED TO SAID MOUNTING BASE AND EXTENDING UPWARDLY THEREFROM ATTACHING THE HANGER AND THE FLEXIBLE
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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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |