US2560949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wool oiling system
Assignee: Southern Welding & Machine Co
•
Filing: 1948-04-22
•
Granted: 1951-07-17
•
Expires: 1968-04-22
Abstract
No abstract record available.
Inventors
- 👤 Robert R Harmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:07
CPC Classifications
D; D01; D01B; D01B3/00; D01B3/04; Y; Y10; Y10S; Y10S516/00; Y10S516/924; Y10S516/928; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3127; Y10T137/4673; Y10T137/6416; Y10T137/6579
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |