US2836055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tile with spacer lugs
Assignee: United States Ceramic Tile Co
•
Filing: 1953-03-23
•
Granted: 1958-05-27
•
Expires: 1973-03-23
Abstract
No abstract record available.
Inventors
- 👤 Harry N Shuman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:55
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/14; E04F13/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US93280A
Cited
US926282A
Cited
CH60048A
Cited
US1694665A
Cited
GB355455A
Cited
US2095012A
Cited
US2175698A
Cited
GB645479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |