Patent US6179827B1 successfully refreshed from Google Patents.
US2609928A
Expired / Lapsed
US
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Apparatus for sorting postal packets
Assignee: Individual
•
Filing: 1948-01-12
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Granted: 1952-09-09
•
Expires: 1968-01-12
Abstract
No abstract record available.
Inventors
- 👤 Doust James Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:53
CPC Classifications
B; B07; B07C; B07C3/00; B07C3/10; B07C3/14; Y; Y10; Y10S; Y10S209/00; Y10S209/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB294575A
Cited
US1979722A
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US1985035A
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US2020925A
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US2056382A
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US2231494A
Cited
US2280948A
Cited
US2297939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |