US2746221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Envelope transfer mechanism
Assignee: Pitney Bowes Inc
•
Filing: 1951-12-26
•
Granted: 1956-05-22
•
Expires: 1971-12-26
Abstract
No abstract record available.
Inventors
- 👤 Francis J Rouan
- 👤 John A Strother
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:54
CPC Classifications
B; B43; B43M; B43M5/00; B43M5/04; B43M5/042
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1019059A
Cited
US1253054A
Cited
US1421835A
Cited
US2243557A
Cited
US2357799A
Cited
US2443281A
Cited
US2549965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |