US2947406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Letter inverter
Assignee: Pitney Bowes Inc
•
Filing: 1958-12-31
•
Granted: 1960-08-02
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Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry S Hazelton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:46
CPC Classifications
B; B07; B07C; B07C1/00; B07C1/20; B65; B65H; B65H15/00; B65H15/008; B65H15/012; B65H2301/00; B65H2301/30; B65H2301/33; B65H2301/332; B65H2301/3321; B65H2301/33212; B65H2301/3322; B65H2301/33222; B65H2301/33224; B65H2701/00; B65H2701/10; B65H2701/19; B65H2701/1916; Y; Y10; Y10S; Y10S209/00; Y10S209/90
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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |