US3410036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipurpose roof structures
Assignee: Individual
•
Filing: 1967-05-09
•
Granted: 1968-11-12
•
Expires: 1987-05-09
Abstract
No abstract record available.
Inventors
- 👤 Brell Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:38
CPC Classifications
E; E04; E04B; E04B7/00; E04B7/16; E04B7/163; E04B1/00; E04B1/18; E04B1/24; E04B1/34; E04B1/3416; E04B1/342; E04B1/343; E04B1/344; E04B1/3441; E04B7/02; E04B1/2403; E04B2001/2463; E04B2001/2496
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1250031A
Cited
US2260369A
Cited
US2647022A
Cited
US2670818A
Cited
US2642017A
Cited
US3195274A
Cited
US3286414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |