US2966718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the installation of reinforced concrete floors in multistoried buildings
Assignee: Individual
•
Filing: 1956-11-06
•
Granted: 1961-01-03
•
Expires: 1976-11-06
Abstract
No abstract record available.
Inventors
- 👤 David H Dave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:39
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/35; E04B1/3505; E04G; E04G11/00; E04G11/36; E04G11/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1066436A
Cited
FR500684A
Cited
US1383732A
Cited
US1596868A
Cited
US1500564A
Cited
US1537882A
Cited
US2377944A
Cited
US2720017A
Cited
US2871544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |