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US2807834A
Expired / Lapsed
US
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Anchors for ornamental rails
Assignee: Blumcraft of Pittsburgh LP
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Filing: 1953-08-25
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Granted: 1957-10-01
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Expires: 1973-08-25
Abstract
No abstract record available.
Inventors
- 👤 Blum Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:40
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/18; E04F11/1802; E04F11/1804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |