US3429458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for handling bagged mail
Assignee: Individual
•
Filing: 1965-05-28
•
Granted: 1969-02-25
•
Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Mcwilliams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:32
CPC Classifications
B; B65; B65G; B65G67/00; B65G67/02; B65G67/04; B65G67/20; B65G65/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126105A
Cited
US733385A
Cited
US1432086A
Cited
US1560113A
Cited
US2721645A
Cited
US3007585A
Cited
US2894648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |