Patent US2583308A successfully refreshed from Google Patents.
US2583308A
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Accordion bellows construction
Assignee: Wurlitzer Co
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Filing: 1946-04-19
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Granted: 1952-01-22
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Expires: 1966-04-19
Abstract
No abstract record available.
Inventors
- 👤 Edward C Sloan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:56
CPC Classifications
G; G10; G10D; G10D11/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1026; Y10T156/1051
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE471985C
Cited
US868157A
Cited
US1365335A
Cited
GB164156A
Cited
US1912931A
Cited
US2126833A
Cited
US2327790A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |