US2934831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-positioning siphon scraper for drier drums
Assignee: HOWARD SMITH PAPER MILLS Ltd
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Filing: 1957-10-14
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Granted: 1960-05-03
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Expires: 1977-10-14
Abstract
No abstract record available.
Inventors
- 👤 Tasker Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:44
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/18; F26B13/183; D; D21; D21F; D21F5/00; D21F5/02; D21F5/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86348
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) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |