US2943716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building construction
Assignee: Individual
•
Filing: 1955-12-09
•
Granted: 1960-07-05
•
Expires: 1975-12-09
Abstract
No abstract record available.
Inventors
- 👤 Babcock Henry Nash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:50
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/24; E04B1/2403; E04B2001/2415; E04B2001/2448; E04B2001/2463; E04B2001/2466; E04B2001/2469
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US704829A
Cited
US1192209A
Cited
FR538663A
Cited
US1599745A
Cited
US1995573A
Cited
US2067403A
Cited
US2114902A
Cited
US2066718A
Cited
US2132601A
Cited
US2331483A
Cited
GB707869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |