Patent US3154833A successfully refreshed from Google Patents.
US3154833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete wall form
Assignee: Individual
•
Filing: 1962-12-06
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Granted: 1964-11-03
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Expires: 1982-12-06
Abstract
No abstract record available.
Inventors
- 👤 Stanley M Kimball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:21
CPC Classifications
E; E04; E04G; E04G9/00; E04G9/10; E04G11/00; E04G11/06; E04G11/08; E04G11/12; E04G17/00; E04G17/14; Y; Y10; Y10S; Y10S425/00; Y10S425/033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A NONFERROUS METAL GIRDER HAVING AT LEAST ONE PAIR OF OPPOSED PARALLEL SIDES; A PLURALITY OF PERMANENT MAGNETS FIXED TO SAID GIRDER AT SPACED POINTS THEREON ON A PREDETERMINED MODULUS; A PLURALITY OF ARMATURES FIXED TO SAID GIRDER IMMEDIATELY AJACENT SAID MAGNETS, SAID ARMATURES BEING FLUSH WITH ONE OF SAID SIDES AND THE
Claim 2
Dependent Claim
53 words
A NONFERROUS METAL GIRDER HAVING AT LEAST ONE PAIR OF OPPOSED PARALLEL SIDES; A PLURALITY OF PERMANENT MAGNETS FIXED TO SAID GIRDER AT SPACED POINTS THEREON ON A PREDETERMINED MODULUS; A PLURALITY OF ARMATURES FIXED TO SAID GIRDER IMMEDIATELY AJACENT SAID MAGNETS, SAID ARMATURES BEING FLUSH WITH ONE OF SAID SIDES AND 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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |