Patent US2774630A successfully refreshed from Google Patents.
US2774630A
Expired / Lapsed
US
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Blower nozzle
Assignee: Owens Corning
•
Filing: 1952-07-17
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Granted: 1956-12-18
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Expires: 1972-07-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Henry
- 👤 George D Boggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:42
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1767462A
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US1793897A
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US1888791A
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US2175224A
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US2224466A
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DE766315C
Cited
DE848990C
Cited
US2460884A
Cited
DE835502C
Cited
GB618108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |