US3434916A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of polyethylene terephthalate laminates
Assignee: Kalle GmbH and Co KG
•
Filing: 1965-06-01
•
Granted: 1969-03-25
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Herbert Braunisch
- 👤 Helga Lenhart
- 👤 Walter Seifried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:16
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/122; B; B32; B32B; B32B27/00; C08J2367/00; C08J2367/02; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2852; Y10T428/2878; Y10T428/2891; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2849359A
Cited
US3236586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |