Patent US3000070A successfully refreshed from Google Patents.
US3000070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making multi-duct conduit
Assignee: Gagne Enterprises Inc
•
Filing: 1958-05-07
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Granted: 1961-09-19
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Expires: 1978-05-07
Abstract
No abstract record available.
Inventors
- 👤 Archie R Gagne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:46
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/10; B28B1/00; B28B1/08; B28B1/087; B28B7/16; B28B7/18; B28B7/183; Y; Y10; Y10S; Y10S425/00; Y10S425/117
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |