US3421277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pre-grouted flexible tile panel
Assignee: SCM Corp
•
Filing: 1965-06-03
•
Granted: 1969-01-14
•
Expires: 1985-06-03
Abstract
No abstract record available.
Inventors
- 👤 Robert W Frischmuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:25
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0885; E04F13/0889; E04F13/0891; E04F13/14; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/164; Y10T428/19; Y10T428/192
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2204324A
Cited
US2782173A
Cited
US3036977A
Cited
US2887867A
Cited
US3088588A
Cited
US3185748A
Cited
US3239981A
Cited
US3348988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |