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Patent US2664600A successfully refreshed from Google Patents.
US2664600A
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Sliding window structure
Assignee: SMITH PIVOT WINDOW Inc
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Filing: 1948-12-16
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Granted: 1954-01-05
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Expires: 1968-12-16
Abstract
No abstract record available.
Inventors
- 👤 Regenald H Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:35
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5054; E06B3/5063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US727882A
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DE327607C
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US1346663A
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US1634425A
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US1981192A
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US2107192A
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US2451654A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |