US2679993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Axially tightening band clamp
Assignee: Marmac Products Inc
•
Filing: 1951-07-18
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Granted: 1954-06-01
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Expires: 1971-07-18
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Christophersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:50
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/08; F16L3/12; F16L3/1211; F16B; F16B2/00; F16B2/02; F16B2/06; F16B2/08; F16B9/00; F16B9/05; F16B9/052; F16B9/056; F16L33/00; F16L33/02; F16B2/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US470344A
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DE465851C
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US916932A
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US941906A
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US1270927A
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US1497549A
Cited
US1561432A
Cited
FR754564A
Cited
US2529173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |