Patent US2622306A successfully refreshed from Google Patents.
US2622306A
Expired / Lapsed
US
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Strand blower
Assignee: Owens Corning
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Filing: 1950-04-25
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Granted: 1952-12-23
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Expires: 1970-04-25
Abstract
No abstract record available.
Inventors
- 👤 Morris C Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:09
CPC Classifications
D; D21; D21H; D21H27/00; D21H27/30; D21H27/32; D21H27/34; C; C03; C03B; C03B37/00; C03B37/01; C03B37/02; C03B37/03; D03; D03D; D03D47/00; D04; D04H; D04H1/00
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) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |