US2295855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective headgear
Assignee: Bullard Co
•
Filing: 1939-10-18
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Granted: 1942-09-15
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Expires: 1959-10-18
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Ludwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:35
CPC Classifications
A; A42; A42C; A42C2/00; A42B; A42B3/00; A42B3/04; A42B3/06; A42B3/10; A42B3/14; B; B29; B29C; B29C51/00; B29C51/08; B29C51/082; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/42; B29C70/46; B29C70/68; B29C70/86; B29C2791/00; B29C2791/001; B29L; B29L2031/00; B29L2031/48; B29L2031/4807; B29L2031/4814; B29L2031/4821
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-09-14 | 1946-03-16 | 1946-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-14 | 1950-03-16 | 1950-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-14 | 1954-03-16 | 1954-09-15 | $7700.00 | Window Closed / Lapsed |