US3403603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular rolling diaphragms
Assignee: George & Angus & Co Ltd
•
Filing: 1966-05-23
•
Granted: 1968-10-01
•
Expires: 1986-05-23
Abstract
No abstract record available.
Inventors
- 👤 Denys G Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:47
CPC Classifications
F; F16; F16J; F16J3/00; F16J3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1790206A
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US2178953A
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US2564693A
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US2849026A
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US3083734A
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US3137215A
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US3236158A
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US3321200A
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US3323423A
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US3365203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |