US2283130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counting hand stamp
Assignee: DUPLEX ENVELOPE Co Inc
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Filing: 1940-10-15
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Granted: 1942-05-12
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Expires: 1960-10-15
Abstract
No abstract record available.
Inventors
- 👤 Sadler John Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:01
CPC Classifications
B; B41; B41K; B41K1/00; B41K1/02; B41K1/36; B41K1/366; G; G06; G06M; G06M1/00; G06M1/04; G06M1/041; G06M1/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-05-11 | 1945-11-10 | 1946-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-11 | 1949-11-10 | 1950-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-11 | 1953-11-10 | 1954-05-12 | $7700.00 | Window Closed / Lapsed |