US2887867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tile assembly on backing
Assignee: Cambridge Tile Manufacturing Co
•
Filing: 1957-09-30
•
Granted: 1959-05-26
•
Expires: 1977-09-30
Abstract
No abstract record available.
Inventors
- 👤 Charles H Burchenal
- 👤 Balinkin Isay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:21
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0862; B; B32; B32B; B32B37/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/1092; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/24; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 0
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US2742391A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |