US3277616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roof structure
Assignee: Individual
•
Filing: 1962-08-29
•
Granted: 1966-10-11
•
Expires: 1982-08-29
Abstract
No abstract record available.
Inventors
- 👤 Koss Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:39
CPC Classifications
E; E04; E04B; E04B7/00; E04B7/14; E04D; E04D13/00; E04D13/04; E04D13/0404; E04D13/0481
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A ROOF STRUCTURE COMPRISING, IN COMBINATION: (A) AN ARCUATE RIM MEMBER DEFINING A CLOSED CURVE ABOUT AN UPRIGHT AXIS IN A SUBSTANTIALLY HORIZONTAL PLANE; (B) SUPPORT MEANS HOLDING SAID RIM MEMBER AT A PREDETERMINED FIXED LEVEL; (C) A LOAD BEARING SHEET MEMBER HAVING AN ANNULAR OUTER PERIPHERAL EDGE PORTION CONFORMINGLY ENGAGING SAID RIM MEMBER AND FIXEDLY FASTENED THERETO, AND AN ANNULAR INNER EDGE PORTION SPACED FROM SAID RIM MEMBER DOWNWARDLY AND TOWARD SAID AXIS, SAID INNER EDGE PORTION BEING CONCENTRIC WITH SAID OUTER EDGE PORTION, AND SAID SHEET MEMBER BEING SUPPORTED SOLELY BY THE FIXED FASTENING OF SAID OUTER EDGE PORTION TO SAID RIM MEMBER; AND (D) TENSIONING MEANS DOWNWARDLY BIASING SAID INNER EDGE PORTION AND THEREBY HOLDING SAID SHEET MEMBER IN A TENSIONED STATE WHILE SAID OUTER PERIPHERAL EDGE PORTION THEREOF IS HELD AT SAID FIXED LEVEL BY SAID ENGAGEMENT THEREOF WITH SAID RIM MEMBER, SAID TENSIONING MEANS ESSENTIALLY CONSISTING OF A LOADING MASS SUSPENDED FROM SAID INNER EDGE PORTION, SAID SHEET MEMBER DEFINING A DEVELOPABLE SURFACE EXTENDING BETWEEN SAID EDGE PORTIONS THEREOF WHEN SAID SHEET MEMBER IS IN THE TENSIONED STATE.
Claim 2
Dependent Claim
183 words
A ROOF STRUCTURE COMPRISING, IN COMBINATION: (A) AN ARCUATE RIM MEMBER DEFINING A CLOSED CURVE ABOUT AN UPRIGHT AXIS IN A SUBSTANTIALLY HORIZONTAL PLANE; (B) SUPPORT MEANS HOLDING SAID RIM MEMBER AT A PREDETERMINED FIXED LEVEL; (C) A LOAD BEARING SHEET MEMBER HAVING AN ANNULAR OUTER PERIPHERAL EDGE PORTION CONFORMINGLY ENGAGING SAID RIM MEMBER AND FIXEDLY FASTENED THERETO, AND AN ANNULAR INNER EDGE PORTION SPACED FROM SAID RIM MEMBER DOWNWARDLY AND TOWARD SAID AXIS, SAID INNER EDGE PORTION BEING CONCENTRIC WITH SAID OUTER EDGE PORTION, AND SAID SHEET MEMBER BEING SUPPORTED SOLELY BY THE FIXED FASTENING OF SAID OUTER EDGE PORTION TO SAID RIM MEMBER; AND (D) TENSIONING MEANS DOWNWARDLY BIASING SAID INNER EDGE PORTION AND THEREBY HOLDING SAID SHEET MEMBER IN A TENSIONED STATE WHILE SAID OUTER PERIPHERAL EDGE PORTION THEREOF IS HELD AT SAID FIXED LEVEL BY SAID ENGAGEMENT THEREOF WITH SAID RIM MEMBER, SAID TENSIONING MEANS ESSENTIALLY CONSISTING OF A LOADING MASS SUSPENDED FROM SAID INNER EDGE PORTION, SAID SHEET MEMBER DEFINING A DEVELOPABLE SURFACE EXTENDING BETWEEN SAID EDGE PORTIONS THEREOF WHEN SAID SHEET MEMBER IS IN THE TENSIONED STATE.
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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 |