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Patent US3520563A successfully refreshed from Google Patents.
US3520563A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torqueless clamp band
Assignee: Midland Ross Corp
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Filing: 1969-02-07
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Granted: 1970-07-14
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Expires: 1989-02-07
Abstract
No abstract record available.
Inventors
- 👤 Maurice S Decker Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:43
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/04; F16B; F16B2200/00; F16B2200/50; F16B2200/509; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/1459; Y10T24/1471; Y10T24/44; Y10T24/44009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US420076A
Cited
US2541205A
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US2760262A
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US2876514A
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US2846244A
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US2937893A
Cited
US3276089A
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US3311957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |