US3445130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Split machinery hub
Assignee: West Virginia Pulp and Paper Co
•
Filing: 1966-08-23
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Granted: 1969-05-20
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Expires: 1986-08-23
Abstract
No abstract record available.
Inventors
- 👤 David Noel Obenshain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:15
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0852; F16D1/0864; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49533; Y10T29/49535; Y10T403/00; Y10T403/70; Y10T403/7062; Y10T83/00; Y10T83/929; Y10T83/9372; Y10T83/9377; Y10T83/9379
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) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |