US3461898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pulse device
Assignee: Corning Glass Works
•
Filing: 1966-05-16
•
Granted: 1969-08-19
•
Expires: 1986-05-16
Abstract
No abstract record available.
Inventors
- 👤 Robert H Bellman
- 👤 Thomas W Bermel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:49
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; F15C1/10; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2229; Y10T137/2234; Y10T137/224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3016066A
Cited
US3185166A
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US3232095A
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US3331379A
Cited
US3266510A
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US3228410A
Cited
US3320966A
Cited
US3276464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |