US2677993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for pleating blanks of laminated sheet material and preformed blanks of laminated sheet material
Assignee: MAGNUS HARMONICA Corp
•
Filing: 1949-06-28
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Granted: 1954-05-11
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Expires: 1969-06-28
Abstract
No abstract record available.
Inventors
- 👤 Emil J Ens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:20
CPC Classifications
B; B65; B65H; B65H45/00; B65H45/12; B65H45/20; Y; Y10; Y10S; Y10S229/00; Y10S229/939
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |