US2637995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface-covering tile
Assignee: Meyercord Co
•
Filing: 1948-12-22
•
Granted: 1953-05-12
•
Expires: 1968-12-22
Abstract
No abstract record available.
Inventors
- 👤 Zelvern W Mann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:42
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0885; E04F13/18; Y; Y10; Y10S; Y10S206/00; Y10S206/813; Y10S52/00; Y10S52/16; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1881438A
Cited
US1990701A
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GB438599A
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GB456471A
Cited
US2173622A
Cited
US2145068A
Cited
US2156149A
Cited
US2304787A
Cited
US2326581A
Cited
US2381605A
Cited
US2383884A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |