US3138123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown shelving unit
Assignee: Individual
•
Filing: 1961-07-25
•
Granted: 1964-06-23
•
Expires: 1981-07-25
Abstract
No abstract record available.
Inventors
- 👤 Maslow Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:59
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/13; A47B; A47B55/00; A47B55/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
IN COMBINATION, A PLANAR FRAME HAVING OPPOSING LONGITUDINAL, MARGINAL SIDES AND END SUPPORTS FOR SAID FRAME, EACH OF SAID SIDES HAVING END PORTIONS PROVIDED WITH NOTCHED PORTIONS ADAPTED TO ENGAGE SAID END SUPPORTS WHEN THE FRAME IS DISPOSED TRANSVERSELY OF SAID SUPPORTS, SAID SUPPORTS INCLUDING PAIRS OF LATERALLY SPACED
Claim 2
Dependent Claim
49 words
IN COMBINATION, A PLANAR FRAME HAVING OPPOSING LONGITUDINAL, MARGINAL SIDES AND END SUPPORTS FOR SAID FRAME, EACH OF SAID SIDES HAVING END PORTIONS PROVIDED WITH NOTCHED PORTIONS ADAPTED TO ENGAGE SAID END SUPPORTS WHEN THE FRAME IS DISPOSED TRANSVERSELY OF SAID SUPPORTS, SAID SUPPORTS INCLUDING PAIRS OF LATERALLY SPACED
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |