US3465487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building of walls
Assignee: Individual
•
Filing: 1967-08-22
•
Granted: 1969-09-09
•
Expires: 1987-08-22
Abstract
No abstract record available.
Inventors
- 👤 Albert Rene Fatosme
- 👤 Henri Georges Coste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:58
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/82; E04B2/821; E04B2/822; E04B2/7407; E04B2/7453; E04B2/76; E04B2/78; E04B2/7854
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2009267A
Cited
US2317635A
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US2444091A
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DE864147C
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US2741345A
Cited
US2679915A
Cited
US3070646A
Cited
FR1352778A
Cited
US3193061A
Cited
US3265416A
Cited
US3292328A
Cited
US3381438A
Cited
US3374703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |