Patent US3055686A successfully refreshed from Google Patents.
US3055686A
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Assignee: Erico International Corp
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Filing: 1960-06-21
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Granted: 1962-09-25
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Expires: 1980-06-21
Abstract
No abstract record available.
Inventors
- 👤 Leslie N Havener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:56
CPC Classifications
F; F16; F16B; F16B2/00; F16B2/20; F16B2/22; F16B2/24; F16B2/241; F16B2/245; F16B2/246; E; E04; E04B; E04B1/00; E04B1/38; E04B1/58; E04B1/5806; E04B1/5818; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B7/0493; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7117; Y10T403/7176
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US606461A
Cited
US611981A
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US656431A
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US812053A
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US977704A
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US1683364A
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US2923385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |