US2386975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for recovering waste materials
Assignee: Johns Manville Corp
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Filing: 1941-06-27
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Granted: 1945-10-16
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Expires: 1961-06-27
Abstract
No abstract record available.
Inventors
- 👤 Gale T Pearce
- 👤 Grover C Rhodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:53
CPC Classifications
B; B07; B07B; B07B9/00; B07B9/02; B07B7/00; B07B7/04; C; C03; C03B; C03B37/00; C03B37/10
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) | 1948-10-15 | 1949-04-16 | 1949-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-10-15 | 1953-04-16 | 1953-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-10-15 | 1957-04-16 | 1957-10-16 | $7700.00 | Window Closed / Lapsed |