US3387413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible building construction
Assignee: BROOKS T HUEY
•
Filing: 1966-02-03
•
Granted: 1968-06-11
•
Expires: 1986-02-03
Abstract
No abstract record available.
Inventors
- 👤 Brooks T Huey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:37
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL34108C
Cited
US522856A
Cited
US3083418A
Cited
US3100915A
Cited
US2027992A
Cited
US2206478A
Cited
US2629339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |