US3305950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater mining
Assignee: Newport News Shipbuilding and Dry Dock Co
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Filing: 1964-04-14
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Granted: 1967-02-28
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Expires: 1984-04-14
Abstract
No abstract record available.
Inventors
- 👤 Ira L Hirshman
- 👤 Archer L Jones
- 👤 Luther E Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:25
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/88; E02F3/90; E02F3/92; E21; E21C; E21C50/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
COLLECTING MEANS COMPRISING A BODY MEANS, SUPPORT MEANS OPERATIVELY CONNECTED WITH SAID BODY MEANS FOR SUPPORTING SAID BODY MEANS FOR MOVEMENT ALONG A SUPPORTING SURFACE, SAID BODY MEANS INCLUDING A FORWARD PORTION AND A REARWARD PORTION, FIRST SEPARATING MEANS MOUNTED AT THE FORWARD PORTION OF SAID BODY MEANS AND COMPRISING A PLURALITY OF SPACED MEMBERS, SECOND SEPARATING MEANS DISPOSED REARWARDLY OF SAID FIRST SEPARATING MEANS AND COMPRISING A PLURALITY OF SPACED MEMBERS, THE SPACING OF THE MEMBERS OF THE FIRST SEPARATING MEANS SERVING TO ELIMINATE SOLID BODIES WHICH ARE TOO LARGE AND THE SPACING OF THE MEMBERS OF THE SECOND SEPARATING MEANS BEING SPACED SO AS TO ELIMINATE SOLID BODIES WHICH ARE TOO SMALL, WHEREBY THE COLLECTING MEANS SERVES TO COLLECT ONLY SOLID BODIES WITHIN A CERTAIN SIZE RANGE, SAID BODY MEANS INCLUDING A PORTION FOR RECEIVING ALL OF THE COLLECTED SOLID BODIES WITHIN SAID SIZE RANGE FROM WHERE THE SOLID BODIES ARE REMOVED FROM THE COLLECTING MEANS.
Claim 2
Dependent Claim
158 words
COLLECTING MEANS COMPRISING A BODY MEANS, SUPPORT MEANS OPERATIVELY CONNECTED WITH SAID BODY MEANS FOR SUPPORTING SAID BODY MEANS FOR MOVEMENT ALONG A SUPPORTING SURFACE, SAID BODY MEANS INCLUDING A FORWARD PORTION AND A REARWARD PORTION, FIRST SEPARATING MEANS MOUNTED AT THE FORWARD PORTION OF SAID BODY MEANS AND COMPRISING A PLURALITY OF SPACED MEMBERS, SECOND SEPARATING MEANS DISPOSED REARWARDLY OF SAID FIRST SEPARATING MEANS AND COMPRISING A PLURALITY OF SPACED MEMBERS, THE SPACING OF THE MEMBERS OF THE FIRST SEPARATING MEANS SERVING TO ELIMINATE SOLID BODIES WHICH ARE TOO LARGE AND THE SPACING OF THE MEMBERS OF THE SECOND SEPARATING MEANS BEING SPACED SO AS TO ELIMINATE SOLID BODIES WHICH ARE TOO SMALL, WHEREBY THE COLLECTING MEANS SERVES TO COLLECT ONLY SOLID BODIES WITHIN A CERTAIN SIZE RANGE, SAID BODY MEANS INCLUDING A PORTION FOR RECEIVING ALL OF THE COLLECTED SOLID BODIES WITHIN SAID SIZE RANGE FROM WHERE THE SOLID BODIES ARE REMOVED FROM THE COLLECTING MEANS.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |