US3490137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elbow forming methods and machines
Assignee: NOLL MANUFACTURING COMPANY A CORP OF CA
•
Filing: 1967-09-11
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Granted: 1970-01-20
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Expires: 1987-09-11
Abstract
No abstract record available.
Inventors
- 👤 George J Buck
- 👤 Louis E Marantette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:42
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49444; Y10T29/49826; Y10T29/4984; Y10T29/49845; Y10T29/51; Y10T29/5176; Y10T29/5177
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2089972A
Cited
US2162722A
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US2698989A
Cited
US2583401A
Cited
US3263321A
Cited
US3412454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |