US3323616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mason's scaffold
Assignee: Individual
•
Filing: 1965-10-22
•
Granted: 1967-06-06
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Frank S Best
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:04
CPC Classifications
E; E04; E04G; E04G1/00; E04G1/18; E04G1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A SCAFFOLD HAVING: (A) AT LEAST TWO SHOES, (B) EACH SHOE HAVING AN OPEN TOP BOX THEREIN, (C) A VERTICAL STANDARD TELESCOPED IN EACH BOX, (D) A PIN IN THE TOP OF THE STANDARD, (E) AN EXTENSION STANDARD TELESCOPED OVER SAID PIN, (F) A PIN IN THE TOP OF THE EXTENSION STANDARD, (G) A CAP TELESCOPED OVER THE PIN OF THE EXTENSION STANDARD, (H) A SHEAVE JOURNALED TO THE CAP, (J) THE STANDARD AND EXTENSION STANDARD HAVING IDENTICAL RECTANGULAR CROSS SECTIONS, (K) AT LEAST TWO LUGS EXTENDING FROM THE BACK SURFACE OF EACH STANDARD, (M) A PLURALITY OF TEETH EXTENDING FROM THE BACK SURFACE OF EAST STANDARD, (N) A SLEEVE TELESCOPED OVER EACH STANDARD, (O) A SLOT IN EACH SLEEVE TO PROVIDE PASSAGE OF THE SLEEVE OVER THE LUGS AND TEETH, (P) CROSS BRACES EXTENDING FROM THE LUGS OF ONE STANDARD TO THE LUGS OF ANOTHER OF SAID STANDARDS, (Q) A LOCKING DOG ON EACH SLEEVE ENGAGING SAID TEETH ON THE STANDARD TO PREVENT THE SLEEVE FROM ACCIDENTALLY SLIDING DOWN, (R) A WINCH ON EACH SLEEVE,
Claim 2
Dependent Claim
176 words
A SCAFFOLD HAVING: (A) AT LEAST TWO SHOES, (B) EACH SHOE HAVING AN OPEN TOP BOX THEREIN, (C) A VERTICAL STANDARD TELESCOPED IN EACH BOX, (D) A PIN IN THE TOP OF THE STANDARD, (E) AN EXTENSION STANDARD TELESCOPED OVER SAID PIN, (F) A PIN IN THE TOP OF THE EXTENSION STANDARD, (G) A CAP TELESCOPED OVER THE PIN OF THE EXTENSION STANDARD, (H) A SHEAVE JOURNALED TO THE CAP, (J) THE STANDARD AND EXTENSION STANDARD HAVING IDENTICAL RECTANGULAR CROSS SECTIONS, (K) AT LEAST TWO LUGS EXTENDING FROM THE BACK SURFACE OF EACH STANDARD, (M) A PLURALITY OF TEETH EXTENDING FROM THE BACK SURFACE OF EAST STANDARD, (N) A SLEEVE TELESCOPED OVER EACH STANDARD, (O) A SLOT IN EACH SLEEVE TO PROVIDE PASSAGE OF THE SLEEVE OVER THE LUGS AND TEETH, (P) CROSS BRACES EXTENDING FROM THE LUGS OF ONE STANDARD TO THE LUGS OF ANOTHER OF SAID STANDARDS, (Q) A LOCKING DOG ON EACH SLEEVE ENGAGING SAID TEETH ON THE STANDARD TO PREVENT THE SLEEVE FROM ACCIDENTALLY SLIDING DOWN, (R) A WINCH ON EACH SLEEVE,
References Cited (Backward Citations)
US43315A
Cited
US557501A
Cited
GB155489A
Cited
US1616743A
Cited
US2725125A
Cited
US3166154A
Cited
US3169604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |