US3020043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for supplying blanks to rotary envelope making machines
Assignee: Berkley Machine Co
•
Filing: 1958-11-18
•
Granted: 1962-02-06
•
Expires: 1978-11-18
Abstract
No abstract record available.
Inventors
- 👤 Winkler Richard
- 👤 Dunnebier Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:23
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/02; B31B70/04; B31B2150/00; B31B2160/00; B31B2160/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1014819A
Cited
US1674187A
Cited
US2748675A
Cited
US2779592A
Cited
US2862707A
Cited
US2853296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |