US2878508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trash and litter collecting apparatus
Assignee: SEDGWICK
•
Filing: 1952-09-27
•
Granted: 1959-03-24
•
Expires: 1972-09-27
Abstract
No abstract record available.
Inventors
- 👤 William D Sedgwick
- 👤 Ernest A Schad
- 👤 Carl V Lashbrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:23
CPC Classifications
E; E01; E01H; E01H1/00; E01H1/08; E01H1/0827; E01H1/0836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US901490A
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US923204A
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US1159202A
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US1560612A
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US1737855A
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GB486505A
Cited
US2184384A
Cited
US2361909A
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US2496028A
Cited
US2523808A
Cited
US2502810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |