US2458431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for and method of digesting garbage
Assignee: Pacific Flush Tank Co
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Filing: 1944-04-20
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Granted: 1949-01-04
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Expires: 1964-04-20
Abstract
No abstract record available.
Inventors
- 👤 Harry E Schlenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:38
CPC Classifications
C; C05; C05F; C05F17/00; C02; C02F; C02F3/00; C02F3/28; C05F7/00; C05F9/00; C05F9/04; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/20; Y02P; Y02P20/00; Y02P20/141; Y02P20/145; Y02W; Y02W30/00; Y02W30/40; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/919; Y10S435/00; Y10S435/801
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) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |