US3226907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated roof structure
Assignee: Gregoire Engineering and Development Co
•
Filing: 1962-09-17
•
Granted: 1966-01-04
•
Expires: 1982-09-17
Abstract
No abstract record available.
Inventors
- 👤 Resta S Gregoire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:08
CPC Classifications
E; E04; E04C; E04C3/00; E04C3/38; E04C3/40; E04D; E04D13/00; E04D13/04; E04D13/064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A SUPPORT BEAM OF CONSTANT V-SHAPED CROSS-SECTIONAL FORM HAVING GREAT STRENGTH AND ADAPTABILITY TO PROVIDE OTHER FUNCTIONS BESIDES THAT OF A SUPPORT STRUCTURE, SAID CROSS-SECTION HAVING STRAIGHT SIDES WITH BASE FLANGES EXTENDING FROM THE POINT OF THE V TO BOTH SIDES THEREOF, AND
Claim 2
Dependent Claim
43 words
A SUPPORT BEAM OF CONSTANT V-SHAPED CROSS-SECTIONAL FORM HAVING GREAT STRENGTH AND ADAPTABILITY TO PROVIDE OTHER FUNCTIONS BESIDES THAT OF A SUPPORT STRUCTURE, SAID CROSS-SECTION HAVING STRAIGHT SIDES WITH BASE FLANGES EXTENDING FROM THE POINT OF THE V TO BOTH SIDES THEREOF, AND
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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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |