US3236520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable baseball training mound for pitchers
Assignee: PORTA MOUND
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Filing: 1963-02-11
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Granted: 1966-02-22
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Expires: 1983-02-11
Abstract
No abstract record available.
Inventors
- 👤 Sol J Friedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:17
CPC Classifications
A; A63; A63B; A63B69/00; A63B69/0002; Y; Y10; Y10S; Y10S273/00; Y10S273/04; Y10S273/07
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
IN A PORTABLE PITCHER''S MOUND: (A) A LIGHT WEIGHT PLASTIC BODY HAVING A TOP PLAYING SURFACE HIGHER AT THE REAR THAN AT THE FORWARD END, AND INCLUDIG A FORWARDLY AND DOWNWARDLY CURVING FORWARD PORTION; (B) A PITCHER''S PLATE EXTENDING TRANSVERSELY OF THE MOUND ADJACENT THE REAR END OF SAID PLAYING SURFACE; (C) AND A SHIELD COMPRISING A SHEET OF CUSHIONING MATERIAL SECURED TO AT LEAST A PORTION OF SAID TOP PLAYING SURFACE FOR PROTECTION OF THE TOP SURFACE AGAINST WEAR.
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |