US3537778A
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Assignee: NI Industries Inc
•
Filing: 1967-10-11
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Granted: 1970-11-03
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Expires: 1987-10-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Kurz Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:03
CPC Classifications
B; B60; B60R; B60R1/00; B60R1/02; B60R1/06; B60R1/0605; B60R1/0607; B60R1/0612; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19819; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042; Y10T74/20432; Y10T74/20474; Y10T74/20492
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) | 1973-11-02 | 1974-05-04 | 1974-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-02 | 1978-05-04 | 1978-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-02 | 1982-05-04 | 1982-11-03 | $7700.00 | Window Closed / Lapsed |