US2343601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for saturation of fibrous material
Assignee: BARBER ASPHALT Corp
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Filing: 1941-09-19
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Granted: 1944-03-07
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Expires: 1961-09-19
Abstract
No abstract record available.
Inventors
- 👤 Alfred F Weimann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:39
CPC Classifications
D; D06; D06B; D06B3/00; B; B27; B27N; B27N3/00; B29; B29B; B29B15/00; B29B15/08; B29B15/10; B29B15/12; B29B15/122; B29C; B29C67/00; B29C67/24; B29C67/248; B29C67/249; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/42; B29C70/44; C; C04; C04B; C04B41/00; C04B41/45; C04B41/46; C04B41/47; C04B41/478; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/655; D06B3/02; D21; D21J; D21J1/00; D21J1/08; B29C43/00; B29C43/02; B29C43/10; B29C43/12; D06B15/00; D06B15/02; D06B2700/00; D06B2700/28; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-03-07 | 1947-09-06 | 1948-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-03-07 | 1951-09-06 | 1952-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-03-07 | 1955-09-06 | 1956-03-07 | $7700.00 | Window Closed / Lapsed |