Patent US1691027A successfully refreshed from Google Patents.
US1691027A
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Envelope machine
Assignee: FL Smithe Machine Co Inc
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Filing: 1924-09-27
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Granted: 1928-11-06
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Expires: 1944-09-27
Abstract
No abstract record available.
Inventors
- 👤 Novick Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:33
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/02; B31B70/10; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/106; B31B70/26; B31B70/261; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4705; Y10T83/474; Y10T83/4766; Y10T83/4795; Y10T83/4812
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) | 1931-11-06 | 1932-05-07 | 1932-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-11-06 | 1936-05-07 | 1936-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-11-06 | 1940-05-07 | 1940-11-06 | $7700.00 | Window Closed / Lapsed |