US2535241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing tiles
Assignee: CALBOGIE FLOORS Ltd
•
Filing: 1950-02-20
•
Granted: 1950-12-26
•
Expires: 1970-02-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Daniel Wallace Stewart
- 👤 Mitchell John
- 👤 Cecil V Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:56
CPC Classifications
B; B28; B28B; B28B5/00; B28B5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1101578A
Cited
US2250576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |