Patent US3344570A successfully refreshed from Google Patents.
US3344570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced flooring tile
Assignee: Individual
•
Filing: 1964-12-11
•
Granted: 1967-10-03
•
Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Marson Emilio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:48
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/08; E01; E01C; E01C5/00; E01C5/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1326741A
Cited
US867637A
Cited
US1983412A
Cited
US2327029A
Cited
GB570763A
Cited
US3025772A
Cited
US2852932A
Cited
US3131514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |