US2804065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular cutting of masonry slabs
Assignee: FREDERICK B CORDOVA JR
•
Filing: 1955-04-18
•
Granted: 1957-08-27
•
Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Ghiglieri Angelo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:48
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/001; B23Q11/0017; B23Q11/0021; B23D; B23D61/00; B23D61/02; B23D61/10; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/48; B23Q1/4804; B23Q1/4814; B28; B28D; B28D1/00; B28D1/02; B28D1/04; B28D1/12; B28D1/121; B28D1/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US14268A
Cited
US24314A
Cited
US43041A
Cited
US179655A
Cited
US617005A
Cited
US1112250A
Cited
US1276776A
Cited
US1426932A
Cited
US1496618A
Cited
US1660333A
Cited
US2508042A
Cited
US2633008A
Cited
US2540793A
Cited
US2755601A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |