US3372624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling diaphragm device with inertia force compensating means
Assignee: US Philips Corp
•
Filing: 1965-11-30
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Granted: 1968-03-12
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Expires: 1985-11-30
Abstract
No abstract record available.
Inventors
- 👤 Rietdijk Johan Adriaan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:10
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/22; F16F15/26; F04; F04B; F04B39/00; F04B39/04; F04B39/041; F04B39/044; F04B43/00; F04B43/0009; F04B43/0054; F04B43/0081; F04B43/02; F04B43/06; F04B53/00; F04B53/14; F04B53/142; F16J; F16J3/00; F16J3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3112658A
Cited
US3203274A
Cited
US3204858A
Cited
US3277795A
Cited
US3314594A
Cited
US3272089A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |