Patent US3318249A successfully refreshed from Google Patents.
US3318249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible drive apparatus
Assignee: Individual
•
Filing: 1965-08-05
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Granted: 1967-05-09
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Expires: 1985-08-05
Abstract
No abstract record available.
Inventors
- 👤 Loeser Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:38
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/08; F04D13/086; F04D29/00; F04D29/08; F04D29/10; F04D29/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A SUBMERSIBLE DRIVE APPARATUS COMPRISING AN INNER CUP SHAPED HOUSING WITH A CLOSED BOTTOM AND AN OPEN TOP, AN OUTER CUP SHAPED HOUSING HAVING A CLOSED END, SAID OUTER HOUSING BEING INVERTED OVER THE OPEN END OF SAID INNER HOUSING AND ENVELOPING SAME, MEANS SECURING SAID HOUSINGS TOGETHER IN A MANNER ADMITTING FLUID COMMUNICATION TO THE INTERIOR OF SAID INNER HOUSING VIA THE CLEARANCE EXISTING BETWEEN SAID HOUSINGS, DRIVE MEANS LOCATED WITHIN SAID INNER HOUSING AND MEANS TRANSMITTING THE OUTPUT OF SAID DRIVE MEANS OUTSIDE SAID HOUSINGS.
Claim 2
Dependent Claim
87 words
A SUBMERSIBLE DRIVE APPARATUS COMPRISING AN INNER CUP SHAPED HOUSING WITH A CLOSED BOTTOM AND AN OPEN TOP, AN OUTER CUP SHAPED HOUSING HAVING A CLOSED END, SAID OUTER HOUSING BEING INVERTED OVER THE OPEN END OF SAID INNER HOUSING AND ENVELOPING SAME, MEANS SECURING SAID HOUSINGS TOGETHER IN A MANNER ADMITTING FLUID COMMUNICATION TO THE INTERIOR OF SAID INNER HOUSING VIA THE CLEARANCE EXISTING BETWEEN SAID HOUSINGS, DRIVE MEANS LOCATED WITHIN SAID INNER HOUSING AND MEANS TRANSMITTING THE OUTPUT OF SAID DRIVE MEANS OUTSIDE SAID HOUSINGS.
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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |