Patent US3375633A successfully refreshed from Google Patents.
US3375633A
Expired / Lapsed
US
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Mechanical device for laying tiles or mosaic flooring
Assignee: JEAN JACQUES POURTAU
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Filing: 1965-12-16
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Granted: 1968-04-02
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Expires: 1985-12-16
Abstract
No abstract record available.
Inventors
- 👤 Pourtau Jean-Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:21
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/18; E04F21/1838; E04F21/1883; E01; E01C; E01C19/00; E01C19/52; E04F15/00; E04F15/02; E04F15/08; E04F15/18; E04F21/20; E04F21/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |