US3221912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lift truck arrangement for system of handling bagged mail
Assignee: Individual
•
Filing: 1964-12-30
•
Granted: 1965-12-07
•
Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Mcwilliams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:52
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/36; B60P1/38; B65; B65G; B65G67/00; B65G67/02; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/12; B66F9/19; B66F9/195
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1637420A
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US2394692A
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US2396090A
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US2549202A
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US2496039A
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US2605910A
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US2742167A
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US2813638A
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US2843278A
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US2959313A
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US2918186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |