Patent JPS4422981B1 successfully refreshed from Google Patents.
US3362277A
Expired / Lapsed
US
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Connector plates
Assignee: Hydro Air Engineering Inc
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Filing: 1966-04-21
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Granted: 1968-01-09
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Expires: 1986-04-21
Abstract
No abstract record available.
Inventors
- 👤 Walter G Moehlenpah
- 👤 Stanley C Bechtel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:01
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/0023; F16B15/003; F16B15/0046; Y; Y10; Y10S; Y10S411/00; Y10S411/921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |