US3103018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced wall structure
Assignee: Rand Development Corp
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Filing: 1960-05-23
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Granted: 1963-09-10
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Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 Eldred Dewitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:02
CPC Classifications
B; B63; B63B; B63B5/00; B63B5/24; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249924; Y10T428/24994; Y10T428/249942
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
BOAT CONSTRUCTION FOR A BOAT HULL ADAPTED TO TRAVEL IN A PATH AND COMPRISING AT LEAST A PORTION OF SAID HULL HAVING PLURAL STRAND ROPE-LIKE LENGTHS OF REINFORCING FIBROUS MATERIAL EMBEDDED IN A MATRIX OF SELF-SUPPORTING MATERIAL, SAID LENGTHS LYING IN A SUBSTANTIALLY REGULAR PATTERN WITH THE MAJOR PORTION OF SAID LENGTHS EXTENDING GENERALLY CROSSWISE OF SAID NORMAL PATH OF TRAVEL.
Claim 2
Dependent Claim
61 words
BOAT CONSTRUCTION FOR A BOAT HULL ADAPTED TO TRAVEL IN A PATH AND COMPRISING AT LEAST A PORTION OF SAID HULL HAVING PLURAL STRAND ROPE-LIKE LENGTHS OF REINFORCING FIBROUS MATERIAL EMBEDDED IN A MATRIX OF SELF-SUPPORTING MATERIAL, SAID LENGTHS LYING IN A SUBSTANTIALLY REGULAR PATTERN WITH THE MAJOR PORTION OF SAID LENGTHS EXTENDING GENERALLY CROSSWISE OF SAID NORMAL PATH OF TRAVEL.
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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |