Patent US2701959A successfully refreshed from Google Patents.
US2701959A
Expired / Lapsed
US
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Sectional block masonry
Assignee: Individual
•
Filing: 1946-07-31
•
Granted: 1955-02-15
•
Expires: 1966-07-31
Abstract
No abstract record available.
Inventors
- 👤 Harold L Briggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:24
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/42; E04B2002/0295
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-14 | 1958-08-16 | 1959-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-14 | 1962-08-16 | 1963-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-14 | 1966-08-16 | 1967-02-15 | $7700.00 | Window Closed / Lapsed |