US2996962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cutting and applying patches to window envelope blanks and like articles
Assignee: Berkley Machine Co
•
Filing: 1958-05-28
•
Granted: 1961-08-22
•
Expires: 1978-05-28
Abstract
No abstract record available.
Inventors
- 👤 Winkler Richard
- 👤 Dunnebier Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:45
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/74; B31B70/81; B31B70/82; B31B70/826; B31B2150/00; B31B2160/00; B31B2160/10; B31B2160/104; Y; Y10; Y10S; Y10S493/00; Y10S493/916; Y10S493/917; Y10S493/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1933121A
Cited
US2070205A
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US2206043A
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US2209347A
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US2254217A
Cited
US2167005A
Cited
US2209348A
Cited
US2543220A
Cited
US2703043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |