US3032850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for prefabricating masonry wall sections
Assignee: Individual
•
Filing: 1960-01-06
•
Granted: 1962-05-08
•
Expires: 1980-01-06
Abstract
No abstract record available.
Inventors
- 👤 Lee E Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:16
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/04; E04C2/041; E04C2/042; Y; Y10; Y10S; Y10S264/00; Y10S264/44; Y10S425/00; Y10S425/009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1716094A
Cited
US2732605A
Cited
US1754484A
Cited
US2017587A
Cited
US2752656A
Cited
US2751775A
Cited
US2781554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |