US3468567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening clamp
Assignee: Unistrut International Corp
•
Filing: 1967-10-27
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Granted: 1969-09-23
•
Expires: 1987-10-27
Abstract
No abstract record available.
Inventors
- 👤 Warren R Attwood
- 👤 Herbert J Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:28
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B7/0493; E; E01; E01F; E01F13/00; E01F13/02; E01F15/00; E01F15/02; E01F15/04; E01F15/0407; E01F15/0438; E01F9/00; E01F9/60; E01F9/658; E01F9/669; F16B2/00; F16B2/20; F16B2/22; F16B2/24; F16B2/241; F16B2/245; F16B2/246; F16B5/00; F16B5/06; F16B5/0685; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7164
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US809549A
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US1559187A
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US2056842A
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US2208358A
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US2776116A
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GB775566A
Cited
US2915879A
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US2858266A
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US3276750A
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US3325227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |