US2981955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety hat suspension harness
Assignee: Bullard Co
•
Filing: 1957-10-11
•
Granted: 1961-05-02
•
Expires: 1977-10-11
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Ruggiero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:34
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2074627A
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US2477240A
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US2536467A
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US2585937A
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US2628361A
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US2616090A
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US2741768A
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US2698434A
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US2763863A
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US2822546A
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US2855605A
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US2832077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |