Patent US2641038A successfully refreshed from Google Patents.
US2641038A
Expired / Lapsed
US
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Axially tightening band clamp
Assignee: Marmac Products Inc
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Filing: 1951-07-18
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Granted: 1953-06-09
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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
2026-11-03 12:33
CPC Classifications
G; G01; G01D; G01D11/00; G01D11/30; G01D11/305; F; F16; F16L; F16L33/00; F16L33/02; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1439; Y10T24/44; Y10T24/44239
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |