US2772671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mason's brick cutter
Assignee: Individual
•
Filing: 1955-03-28
•
Granted: 1956-12-04
•
Expires: 1975-03-28
Abstract
No abstract record available.
Inventors
- 👤 James E Nowak
- 👤 Bischoff Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:09
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/26; B28D1/22; B28D1/222; B28D1/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US451778A
Cited
US459773A
Cited
US812973A
Cited
US1162685A
Cited
US2679840A
Cited
US2641845A
Cited
US2653594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |