US3251074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Base frame for spring assemblies
Assignee: Individual
•
Filing: 1964-09-17
•
Granted: 1966-05-17
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Expires: 1984-09-17
Abstract
No abstract record available.
Inventors
- 👤 Anne A Levine
- 👤 Alexender M Levine
- 👤 Richard I Freedman
- 👤 Talamo Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:33
CPC Classifications
A; A47; A47C; A47C23/00; A47C23/04; A47C23/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A BASE FRAME FOR SUPPORTING A SPRING ASSEMBLY, SAID FRAME COMPRISING WOODEN SIDE AND END RAILS AND A SINGLE, METAL REINFORCE MEMBER UNITING A SIDE AND END RAIL AT EACH CORNER, RESPECTIVELY, OF THE FRAME, THE REINFORCE MEMBER BEING A STRIP OF STIFF METAL HAVING SUBSTANTIALLY STRAIGHT END PORTIONS WHICH ARE SECURED BY FASTENERS TO THE SIDE AND END RAILS, RESPECTIVELY, THE INTERMEDIATE PORTION OF THE REINFORCE MEMBER BEING CURVED TO A 90* ARC, THE VERTICAL DIMENSION OF THE REINFORCING MEMBER BEING SUBSTANTIALLY LESS THAN THE DEPTH OF THE FRAME PROPER, THE REINFORCING MEMBER BEING LOCATED BELOW THE MIDHEIGHT
Claim 2
Dependent Claim
99 words
A BASE FRAME FOR SUPPORTING A SPRING ASSEMBLY, SAID FRAME COMPRISING WOODEN SIDE AND END RAILS AND A SINGLE, METAL REINFORCE MEMBER UNITING A SIDE AND END RAIL AT EACH CORNER, RESPECTIVELY, OF THE FRAME, THE REINFORCE MEMBER BEING A STRIP OF STIFF METAL HAVING SUBSTANTIALLY STRAIGHT END PORTIONS WHICH ARE SECURED BY FASTENERS TO THE SIDE AND END RAILS, RESPECTIVELY, THE INTERMEDIATE PORTION OF THE REINFORCE MEMBER BEING CURVED TO A 90* ARC, THE VERTICAL DIMENSION OF THE REINFORCING MEMBER BEING SUBSTANTIALLY LESS THAN THE DEPTH OF THE FRAME PROPER, THE REINFORCING MEMBER BEING LOCATED BELOW THE MIDHEIGHT
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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |