US3498649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe clamping and centering device
Assignee: Individual
•
Filing: 1967-08-16
•
Granted: 1970-03-03
•
Expires: 1987-08-16
Abstract
No abstract record available.
Inventors
- 👤 Anton Pfeuffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:19
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1119564A
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GB566329A
Cited
US2441754A
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DE819024C
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US2789844A
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US2842385A
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US2790661A
Cited
GB973637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |