US3036816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for lift-slab building construction
Assignee: Individual
•
Filing: 1960-09-06
•
Granted: 1962-05-29
•
Expires: 1980-09-06
Abstract
No abstract record available.
Inventors
- 👤 Allan H Stubbs
- 👤 Howard G Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:38
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/35; E04B1/3511
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1147080A
Cited
US1327611A
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US1398822A
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US1454088A
Cited
US2655223A
Cited
US2758467A
Cited
US2867111A
Cited
US2975560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |