US3068934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing helical air cell pipe covering
Assignee: Nicolet Industries Inc
•
Filing: 1956-10-26
•
Granted: 1962-12-18
•
Expires: 1976-10-26
Abstract
No abstract record available.
Inventors
- 👤 Mauck Victor
- 👤 Edward T Duke
- 👤 Anthony B Belfi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:22
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31C; B31C3/00
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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |