US3431827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing and applying tear strips
Assignee: Körber AG
•
Filing: 1967-07-14
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Granted: 1969-03-11
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Expires: 1987-07-14
Abstract
No abstract record available.
Inventors
- 👤 Gunter Wahle
- 👤 Heinz-Christen Lorenzen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:42
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/81; B31B50/812; B31B50/8125; B31B50/8129; B31B50/8126; Y; Y10; Y10S; Y10S493/00; Y10S493/916; Y10S493/93; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2183; Y10T83/2185; Y10T83/465; Y10T83/4766; Y10T83/4783
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2865261A
Cited
US3329053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |