US2541047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fractureproofed frangible body and production thereof
Assignee: AC Gilbert Co
•
Filing: 1945-08-21
•
Granted: 1951-02-13
•
Expires: 1965-08-21
Abstract
No abstract record available.
Inventors
- 👤 Marshall H Frisbie
- 👤 Shirley P Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:29
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/02; H01R39/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US96198A
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US268075A
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US472529A
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US875902A
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US1059903A
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US1401708A
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US1486893A
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US1944869A
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US2104189A
Cited
US2316651A
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US2319692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |