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Patent US3020604A successfully refreshed from Google Patents.
US3020604A
Expired / Lapsed
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Friction pivot block for projected type windows and the like
Assignee: Beaman Corp
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Filing: 1960-10-25
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Granted: 1962-02-13
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Expires: 1980-10-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Ernest O Bransford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:51
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5009; E06B3/5018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2015270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |