US2883852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Masonry building construction
Assignee: Individual
•
Filing: 1956-03-26
•
Granted: 1959-04-28
•
Expires: 1976-03-26
Abstract
No abstract record available.
Inventors
- 👤 Harry W Midby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:10
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/04; E04B1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA482595A
Cited
US938678A
Cited
US1470797A
Cited
US1912290A
Cited
US2202783A
Cited
US2241169A
Cited
US2414628A
Cited
US2466106A
Cited
US2616282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |