Patent US2654912A successfully refreshed from Google Patents.
US2654912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making blended tile
Assignee: Cambridge Tile Manufacturing Co
•
Filing: 1948-07-28
•
Granted: 1953-10-13
•
Expires: 1968-07-28
Abstract
No abstract record available.
Inventors
- 👤 Charles H Burchenal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:41
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/005; B28B13/00; B28B13/02; B28B13/0215
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US134300A
Cited
US301359A
Cited
US722151A
Cited
US827472A
Cited
US978617A
Cited
US1102851A
Cited
US1619733A
Cited
US1560450A
Cited
US1637946A
Cited
US1727580A
Cited
US1641049A
Cited
US1885774A
Cited
US1917139A
Cited
US2020137A
Cited
US2036131A
Cited
US2445552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |