US3497245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubing joint
Assignee: ROCHESTER FORM MACHINE Inc
•
Filing: 1967-12-12
•
Granted: 1970-02-24
•
Expires: 1987-12-12
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Metzger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:19
CPC Classifications
F; F16; F16L; F16L41/00; F16L41/02; F16L41/021; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49925; Y10T29/49927; Y10T403/00; Y10T403/70; Y10T403/7001; Y10T403/7003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US548998A
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US1322250A
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US2179089A
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US2614827A
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US2679681A
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US2846249A
Cited
FR1145876A
Cited
US3071399A
Cited
US3344370A
Cited
US3388211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |