US3093935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roof forming structure
Assignee: Individual
•
Filing: 1959-11-27
•
Granted: 1963-06-18
•
Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Harold S Dunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:25
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; E; E04; E04B; E04B7/00; E04B7/20; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/11; E04D; E04D3/00; E04D3/35; E04D3/351; E04D3/355; E04D3/358; E04D3/36; E04C2003/0404; E04C2003/0408; E04C2003/0421; E04C2003/0426; E04C2003/0434; E04C2003/0443; E04C2003/0452; E04C2003/0473; E04C2003/0486; E04C2003/0491; Y; Y10; Y10T; Y10T428/00; Y10T428/19; Y10T428/192; Y10T428/195
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US479275A
Cited
US1817619A
Cited
US1931750A
Cited
US2021577A
Cited
US2073278A
Cited
US2433728A
Cited
US2576073A
Cited
US2541784A
Cited
US2642818A
Cited
US2896271A
Cited
US2874652A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |