Patent US2325006A successfully refreshed from Google Patents.
Patent US3225487A successfully refreshed from Google Patents.
US3225487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Model roadbed including adjustable trestles and supports
Assignee: AC Gilbert Co
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Filing: 1963-10-17
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Granted: 1965-12-28
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Expires: 1983-10-17
Abstract
No abstract record available.
Inventors
- 👤 Mallalieu Durham Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:33
CPC Classifications
A; A63; A63H; A63H18/00; A63H18/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A TOY TRESTLE FOR SUPPORTING AN ELEVATED MODEL ROADBED, THE COMBINATION OF, A RUN OF SLAB-LIKE MODEL ROADBED, PILLARS HAVING UPRIGHT FACES FLANKING OPPOSITE EDGES OF SAID ROADBED AND CONTAINING A VERTICAL SERIES OF SPACED GROOVES, AND A SERIES OF VERTICALLY SAPCED ROADBED SUPPORTING CLAW-LIKE CLIPS ON EACH OF SAID UPRIGHT PILLAR FACES ENGAGING SAID ROADBED EDGES IN A RELEASABLE MANNER SUCH THAT SAID ROADBED CAN BE SUPPORTED BETWEEN PAIRS OF SAID PILLARS AT A CHOICE OF HEIGHT, EACH OF SAID CLIPS HAVING A BIGHT LODGED IN A SELECTED ONE OF SAID GROOVES IN A MANNER TO SWIVEL THEREIN FOR ADJUSTIVELY SWINGING SAID CLIP UPWARD AND DOWNWARD.
Claim 2
Dependent Claim
108 words
IN A TOY TRESTLE FOR SUPPORTING AN ELEVATED MODEL ROADBED, THE COMBINATION OF, A RUN OF SLAB-LIKE MODEL ROADBED, PILLARS HAVING UPRIGHT FACES FLANKING OPPOSITE EDGES OF SAID ROADBED AND CONTAINING A VERTICAL SERIES OF SPACED GROOVES, AND A SERIES OF VERTICALLY SAPCED ROADBED SUPPORTING CLAW-LIKE CLIPS ON EACH OF SAID UPRIGHT PILLAR FACES ENGAGING SAID ROADBED EDGES IN A RELEASABLE MANNER SUCH THAT SAID ROADBED CAN BE SUPPORTED BETWEEN PAIRS OF SAID PILLARS AT A CHOICE OF HEIGHT, EACH OF SAID CLIPS HAVING A BIGHT LODGED IN A SELECTED ONE OF SAID GROOVES IN A MANNER TO SWIVEL THEREIN FOR ADJUSTIVELY SWINGING SAID CLIP UPWARD AND DOWNWARD.
References Cited (Backward Citations)
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Cited
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Cited
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GB450838A
Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |