US2785404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective helmet
Assignee: MacGregor Sport Products Inc
•
Filing: 1954-03-05
•
Granted: 1957-03-19
•
Expires: 1974-03-05
Abstract
No abstract record available.
Inventors
- 👤 Strohm Elwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:26
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1539558A
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US1559252A
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US1669914A
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US2150290A
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US2296335A
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US2376653A
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US2394327A
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US2573250A
Cited
US2525965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-18 | 1960-09-17 | 1961-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-18 | 1964-09-17 | 1965-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-18 | 1968-09-17 | 1969-03-19 | $7700.00 | Window Closed / Lapsed |