US3247638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlocking tile carpet
Assignee: Individual
•
Filing: 1963-05-22
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Granted: 1966-04-26
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Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Steve Gay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:24
CPC Classifications
A; A47; A47G; A47G27/00; A47G27/02; A47G27/0293; E; E04; E04F; E04F15/00; E04F15/02; E04F15/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
AN INTERLOCKING FLOOR TILE, SAID FLOOR TILE BEING DEFINED BY UPPER AND LOWER SIDES, FOUR EDGES AND INTERLOCKING SURFACES, SAID FOUR EDGES BEING STRAIGHT LINES AND SAID INTERLOCKING SURFACES BEING ADJACENT TO SAID EDGES; SAID INTERLOCKING SURFACES COMPRISING SURFACES AT A FIRST ACUTE ANGLE WITH RESPECT TO SAID EDGES AND SURFACES AT A SECOND ACUTE ANGLE WITH RESPECT TO SAID EDGES, SAID SURFACES INTERSECTING WITH EACH OTHER AND DEFINING TRIANGULAR INTERLOCKING FINGERS AND FINGER RECEIVING RECESSES, SAID FINGERS AND SAID FINGER RECEIVING RECESSES BEING LOCATED ADJACENT TO EACH EDGE OF THE TILE, A PROTUBERANCE LOCATED ON THE APEX OF AT LEAST ONE OF SAID TRIANGULAR FINGERS ADJACENT EACH OF SAID EDGES, AND A CORRESPONDING PROTUBERANCE RECEIVING RECESS ADJACENT EACH OF SAID TILE EDGES, WHEREBY A PLURALITY OF TILE, LAID TOGETHER, INTERLOCK WITH EACH OTHER WITH SAID FINGERS AND SAID PROTUBERANCES ENGAGING IN SAID FINGER RECEIVING RECESSES AND PROTUBERANCE RECEIVING RECESSES.
Claim 2
Dependent Claim
150 words
AN INTERLOCKING FLOOR TILE, SAID FLOOR TILE BEING DEFINED BY UPPER AND LOWER SIDES, FOUR EDGES AND INTERLOCKING SURFACES, SAID FOUR EDGES BEING STRAIGHT LINES AND SAID INTERLOCKING SURFACES BEING ADJACENT TO SAID EDGES; SAID INTERLOCKING SURFACES COMPRISING SURFACES AT A FIRST ACUTE ANGLE WITH RESPECT TO SAID EDGES AND SURFACES AT A SECOND ACUTE ANGLE WITH RESPECT TO SAID EDGES, SAID SURFACES INTERSECTING WITH EACH OTHER AND DEFINING TRIANGULAR INTERLOCKING FINGERS AND FINGER RECEIVING RECESSES, SAID FINGERS AND SAID FINGER RECEIVING RECESSES BEING LOCATED ADJACENT TO EACH EDGE OF THE TILE, A PROTUBERANCE LOCATED ON THE APEX OF AT LEAST ONE OF SAID TRIANGULAR FINGERS ADJACENT EACH OF SAID EDGES, AND A CORRESPONDING PROTUBERANCE RECEIVING RECESS ADJACENT EACH OF SAID TILE EDGES, WHEREBY A PLURALITY OF TILE, LAID TOGETHER, INTERLOCK WITH EACH OTHER WITH SAID FINGERS AND SAID PROTUBERANCES ENGAGING IN SAID FINGER RECEIVING RECESSES AND PROTUBERANCE RECEIVING RECESSES.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |