Patent US2788558A successfully refreshed from Google Patents.
US2788558A
Expired / Lapsed
US
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Detachable connection for mounting a face protector on a head protector
Assignee: Fibre Metal Products LLC
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Filing: 1953-03-10
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Granted: 1957-04-16
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Expires: 1973-03-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles E Bowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:01
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/22; A42B3/225; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45775; Y10T24/45812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US166364A
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US662676A
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US790223A
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US1271530A
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DE339529C
Cited
US2028020A
Cited
US2447083A
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GB612204A
Cited
US2578171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |