Patent US764635A successfully refreshed from Google Patents.
Patent US4154262A successfully refreshed from Google Patents.
Patent US3226933A successfully refreshed from Google Patents.
US3226933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheeting wall system and method of constructing same
Assignee: Spencer White and Prentis Inc
•
Filing: 1961-03-20
•
Granted: 1966-01-04
•
Expires: 1981-03-20
Abstract
No abstract record available.
Inventors
- 👤 Robert E White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:19
CPC Classifications
E; E02; E02D; E02D29/00; E02D29/02; E02D29/0258; E02D29/0266; E02D27/00; E02D27/32; E02D27/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A ROCK ANCHORED WALL STRUCTURE AND AN UNDISTURBED AND IN PLACE OVERBURDEN WHICH OVERLIES A ROCK LAYER SAID OVERBURDEN SUBSTANTIALLY COMPRESSED BY THE STRUCTURE, SAID STRUCTURE COMPRISING A RETAINING WALL, ANCHORS SET IN ROCK SOCKETS IN THE ROCK LAYER BENEATH THE UNDISTURBED OVERBURDEN, CONNECTING MEANS EXTENDING FROM THE WALL DOWNWARDLY AT AN ANGLE THROUGH THE OVERBURDEN TO THE
Claim 2
Dependent Claim
58 words
A ROCK ANCHORED WALL STRUCTURE AND AN UNDISTURBED AND IN PLACE OVERBURDEN WHICH OVERLIES A ROCK LAYER SAID OVERBURDEN SUBSTANTIALLY COMPRESSED BY THE STRUCTURE, SAID STRUCTURE COMPRISING A RETAINING WALL, ANCHORS SET IN ROCK SOCKETS IN THE ROCK LAYER BENEATH THE UNDISTURBED OVERBURDEN, CONNECTING MEANS EXTENDING FROM THE WALL DOWNWARDLY AT AN ANGLE THROUGH THE OVERBURDEN TO THE
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |