US3138900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-plate-treating apparatus
Assignee: Individual
•
Filing: 1962-02-19
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Granted: 1964-06-30
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Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Elmer H Greenberg
- 👤 William B Greenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:30
CPC Classifications
B; B24; B24C; B24C3/00; B24C3/08; B24C3/10; B24C3/14; B24C3/02; B24C3/06; B24C3/062; B24C3/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
METAL-PLATE-TREATING APPARATUS COMPRISING POWERED SUPPORT ROLLERS ROTATABLE ABOUT GENERALLY HORIZONTAL AXES FOR SUPPORTING AN UPSTANDING PLATE SUBSTANTIALLY BY ITS LOWER EDGE AND MOVING SAID PLATE GENERALLY EDGEWISE HORIZONTALLY, A RELATIVELY STATIONARY ENCLOSURE LOCATED ALONG ONE SIDE OF THE PATH OF PLATE MOVEMENT AND HAVING AN OPENING FACING TOWARD SAID PATH, SAID OPENING BEING EFFECTIVELY CLOSED BY A PLATE MOVING ALONG SAID PATH, MATE-
Claim 2
Dependent Claim
63 words
METAL-PLATE-TREATING APPARATUS COMPRISING POWERED SUPPORT ROLLERS ROTATABLE ABOUT GENERALLY HORIZONTAL AXES FOR SUPPORTING AN UPSTANDING PLATE SUBSTANTIALLY BY ITS LOWER EDGE AND MOVING SAID PLATE GENERALLY EDGEWISE HORIZONTALLY, A RELATIVELY STATIONARY ENCLOSURE LOCATED ALONG ONE SIDE OF THE PATH OF PLATE MOVEMENT AND HAVING AN OPENING FACING TOWARD SAID PATH, SAID OPENING BEING EFFECTIVELY CLOSED BY A PLATE MOVING ALONG SAID PATH, MATE-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |