US2756777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple capsule bellows
Assignee: Bourns Inc
•
Filing: 1953-04-24
•
Granted: 1956-07-31
•
Expires: 1973-04-24
Abstract
No abstract record available.
Inventors
- 👤 Marlan E Bourns
- 👤 Marvin E Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:19
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/04; F16J3/047; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49877
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1717196A
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US995444A
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US1533173A
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US1819987A
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US1830780A
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US2061761A
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US2071583A
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US2621397A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-31 | 1960-01-30 | 1960-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-31 | 1964-01-30 | 1964-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-31 | 1968-01-30 | 1968-07-31 | $7700.00 | Window Closed / Lapsed |