US3479097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid guide means
Assignee: Weyerhaeuser Co
•
Filing: 1966-12-27
•
Granted: 1969-11-18
•
Expires: 1986-12-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Mclauchlan
- 👤 Louis R Fairfield Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:02
CPC Classifications
B; B23; B23D; B23D59/00; B23D59/04; B27; B27B; B27B13/00; B27B13/10; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/7264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2060430A
Cited
US3030744A
Cited
US3097971A
Cited
US3230752A
Cited
US3191835A
Cited
US3225801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |