US3544143A
Expired / Lapsed
US
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Assignee: JARL ERIK S I OHLSSON
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Filing: 1968-05-23
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Granted: 1970-12-01
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Expires: 1988-05-23
Abstract
No abstract record available.
Inventors
- 👤 Jarl-Erik S I Ohlsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:41
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/56; B29C65/60; B29C65/606; B29C65/607; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81411; B29C66/81421; B29C66/81423; B29C66/81431; B29C66/83; B29C66/832; B29C66/8322; B29C66/81427; B29C66/81429; B29L; B29L2031/00; B29L2031/727; B29L2031/7288; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49938; Y10T403/00; Y10T403/47; Y10T403/49
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) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |