Patent US3458052A successfully refreshed from Google Patents.
US3458052A
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Structural support arrangement and method of assembling
Assignee: Hoover Group Inc
•
Filing: 1965-10-21
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Granted: 1969-07-29
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Expires: 1985-10-21
Abstract
No abstract record available.
Inventors
- 👤 Henry Robert Kann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:41
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/0446; F16B7/0453; F16B7/0466; A; A47; A47B; A47B57/00; A47B57/30; A47B57/54; E; E04; E04B; E04B2/00; E04B2/74; E04B2/76; E04B2/766; F16B7/046; F16B2200/00; F16B2200/20; F16B2200/205
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |