US3503428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Log sawmill
Assignee: Individual
•
Filing: 1965-11-10
•
Granted: 1970-03-31
•
Expires: 1985-11-10
Abstract
No abstract record available.
Inventors
- 👤 Bo Ingemar Ackerfeldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:48
CPC Classifications
B; B27; B27B; B27B15/00; B27B15/08; B27B29/00; B27B29/08; B27B31/00; B27B31/08; Y; Y10; Y10T; Y10T83/00; Y10T83/647; Y10T83/6492; Y10T83/6499; Y10T83/654; Y10T83/707; Y10T83/7158; Y10T83/7189
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) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |