US3225487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Model roadbed including adjustable trestles and supports
Assignee: AC Gilbert Co
•
Filing: 1963-10-17
•
Granted: 1965-12-28
•
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 00:15
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)
NL46021C
Cited
US1252616A
Cited
US1714433A
Cited
GB450838A
Cited
US2810233A
Cited
GB815686A
Cited
US2844910A
Cited
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 |