US2589436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buckling folding machine
Assignee: Pitney Bowes Inc
•
Filing: 1948-10-13
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Granted: 1952-03-18
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Expires: 1968-10-13
Abstract
No abstract record available.
Inventors
- 👤 Francis J Rouan
- 👤 Bach John William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:58
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/12; B65H45/14; B65H45/142; B65H45/144; B65H45/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |