Patent US3436888A successfully refreshed from Google Patents.
US3436888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parquet floorboard
Assignee: PAR A R OTTOSSON
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Filing: 1966-10-20
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Granted: 1969-04-08
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Expires: 1986-10-20
Abstract
No abstract record available.
Inventors
- 👤 Par A R Ottosson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:14
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/04; E04F15/02044; E04F2015/0205; E04F2201/00; E04F2201/01; E04F2201/0107; E04F2201/02; E04F2201/023; E04F2201/05; E04F2201/0511
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) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |