US2746049A
Expired / Lapsed
US
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Helmet
Assignee: Willson Products Inc
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Filing: 1951-11-23
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Granted: 1956-05-22
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Expires: 1971-11-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:18
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/06; A42B3/062; A42B3/063; A42C; A42C2/00; A42C2/005; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/28; B29C70/30; B29C70/34; B29C70/345; B29C70/68; B29C70/86; B29K; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0809; B29K2105/0854; B29L; B29L2031/00; B29L2031/48; B29L2031/4807; B29L2031/4814; B29L2031/4821; Y; Y10; Y10S; Y10S264/00; Y10S264/53
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) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |