Patent US2683208A successfully refreshed from Google Patents.
US2683208A
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US
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Apparatus for perforating
Assignee: Individual
•
Filing: 1952-10-21
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Granted: 1954-07-06
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Expires: 1972-10-21
Abstract
No abstract record available.
Inventors
- 👤 Alvadore M Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:24
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/0015; B26F1/0061; B26F1/0069; B26F1/02; B26F1/14; B26F1/24; B29; B29C; B29C37/00; B29C37/02; Y; Y10; Y10S; Y10S425/00; Y10S425/037; Y10S83/00; Y10S83/929; Y10S83/949; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T83/00; Y10T83/02; Y10T83/0333; Y10T83/0385; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/483; Y10T83/4838; Y10T83/4841
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) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |