Patent US2522277A successfully refreshed from Google Patents.
US2522277A
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Assignee: Boston Woven Hose and Rubber Co
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Filing: 1949-01-08
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Granted: 1950-09-12
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Expires: 1969-01-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Knowland
- 👤 Donald R Currier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:59
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/84; D01G15/86; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249923; Y10T442/00; Y10T442/20; Y10T442/2262; Y10T442/30; Y10T442/3472; Y10T442/3602; Y10T442/3642
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2233985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-11 | 1954-03-13 | 1954-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-11 | 1958-03-13 | 1958-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-11 | 1962-03-13 | 1962-09-12 | $7700.00 | Window Closed / Lapsed |