Patent US5919188A successfully refreshed from Google Patents.
US2548993A
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US
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Assignee: A J Gerrard and Co
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Filing: 1947-12-22
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Granted: 1951-04-17
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Expires: 1967-12-22
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Mierzwa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:40
CPC Classifications
B; B61; B61D; B61D45/00; B61D45/001; Y; Y10; Y10S; Y10S16/00; Y10S16/23; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45958
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |