Patent US3640984A successfully refreshed from Google Patents.
US1474048A
Expired / Lapsed
US
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Method of and apparatus for cutting deckle-edged envelope blanks
Assignee: AMERICAN WRITING PAPER Co
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Filing: 1921-07-18
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Granted: 1923-11-13
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Expires: 1941-07-18
Abstract
No abstract record available.
Inventors
- 👤 Charles W Lynch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:33
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/14; B31B70/142; B31B2160/00; B31B2160/10; B31B70/20; Y; Y10; Y10S; Y10S83/00; Y10S83/911; Y10S83/917; Y10T; Y10T83/00; Y10T83/04; Y10T83/0476; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2122; Y10T83/2133; Y10T83/929; Y10T83/9411
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) | 1926-11-12 | 1927-05-14 | 1927-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-11-12 | 1931-05-14 | 1931-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-11-12 | 1935-05-14 | 1935-11-13 | $7700.00 | Window Closed / Lapsed |