US3466828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular wall construction
Assignee: GERALD S NOVEMBER
•
Filing: 1967-11-13
•
Granted: 1969-09-16
•
Expires: 1987-11-13
Abstract
No abstract record available.
Inventors
- 👤 Gerald S November
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:57
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/38; E04C2/384; E04B; E04B1/00; E04B1/02; E04B1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA766840A
Cited
US1151974A
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US1124526A
Cited
US2311988A
Cited
US2595665A
Cited
US2736613A
Cited
US2799118A
Cited
US2909867A
Cited
FR1247006A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |