US2535627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Activated composter
Assignee: Individual
•
Filing: 1948-06-16
•
Granted: 1950-12-26
•
Expires: 1968-06-16
Abstract
No abstract record available.
Inventors
- 👤 George H Earp-Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:51
CPC Classifications
C; C05; C05F; C05F17/00; C05F17/90; C05F17/907; Y; Y02; Y02P; Y02P20/00; Y02P20/141; Y02P20/145; Y02W; Y02W30/00; Y02W30/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US280271A
Cited
US1320701A
Cited
US1938647A
Cited
US1456332A
Cited
US1471979A
Cited
US1787878A
Cited
US1919836A
Cited
US1903510A
Cited
US2043265A
Cited
US2209613A
Cited
US2178818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |