US3318388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine propeller
Assignee: Individual
•
Filing: 1966-01-21
•
Granted: 1967-05-09
•
Expires: 1986-01-21
Abstract
No abstract record available.
Inventors
- 👤 Otto L Bihlmire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:12
CPC Classifications
B; B63; B63H; B63H1/00; B63H1/02; B63H1/12; B63H1/14; B63H1/20; B63H1/15; B63H1/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A MARINE PROPELLER, COMPRISING: (A) A HUB AND INTEGRAL BLADES RADIATING THEREFROM, EACH MADE OF MOLDABLE YIELDABLE AND ORIGINAL FORM-REGAINING PLASTIC MATERIAL; (B) THE HUB HAVING A CO-AXIALLY DISPOSES MULTI-SIDED OPENING THERETHROUGH; (C) A METAL BUSHING OF CROSS-SECTIONAL EXTERNAL SHAPE CORRESPOND TO AND OF LESS CROSS-SECTIONAL SIZE THAN, THAT OF SAID MULTI-SIDED OPENING AND ENGAGED THEREIN; (D) THE BUSHING HAVING A PLURALITY OF RELATIVELY SPACED POCKETS IN ITS OUTER PERIPHERY; (E) A SLEEVE MADE OF SHOCK CUSHIONING RESILIENT MATERIAL SNUGLY ENGAGED OVER AND ABOUT SAID BUSHING AND WITHIN SAID COAXIALLY DISPOSED HUB OPENING, POR-
Claim 2
Dependent Claim
94 words
A MARINE PROPELLER, COMPRISING: (A) A HUB AND INTEGRAL BLADES RADIATING THEREFROM, EACH MADE OF MOLDABLE YIELDABLE AND ORIGINAL FORM-REGAINING PLASTIC MATERIAL; (B) THE HUB HAVING A CO-AXIALLY DISPOSES MULTI-SIDED OPENING THERETHROUGH; (C) A METAL BUSHING OF CROSS-SECTIONAL EXTERNAL SHAPE CORRESPOND TO AND OF LESS CROSS-SECTIONAL SIZE THAN, THAT OF SAID MULTI-SIDED OPENING AND ENGAGED THEREIN; (D) THE BUSHING HAVING A PLURALITY OF RELATIVELY SPACED POCKETS IN ITS OUTER PERIPHERY; (E) A SLEEVE MADE OF SHOCK CUSHIONING RESILIENT MATERIAL SNUGLY ENGAGED OVER AND ABOUT SAID BUSHING AND WITHIN SAID COAXIALLY DISPOSED HUB OPENING, POR-
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 |