US3219400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bookcase construction
Assignee: Individual
•
Filing: 1963-05-24
•
Granted: 1965-11-23
•
Expires: 1983-05-24
Abstract
No abstract record available.
Inventors
- 👤 Leslie R Bergquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:33
CPC Classifications
A; A45; A45C; A45C5/00; A45C7/00; A45C7/0018; A45C7/0045
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
IN A BOOKCASE COMPRISED OF A PLURALITY OF IDENTICAL SECTIONS, EACH SECTION INCLUDING SPACED FLAT TOP AND BOTTOM MEMBERS EACH HAVING FRONT AND REAR PORTIONS AND UPPER AND LOWER SURFACES; SPACED SIDE WALLS SECURED BETWEEN SAID TOP AND BOTTOM MEMBERS; A RIGID FRONT WALL; FIRST MEANS SUPPORTED ADJACENT SAID FRONT PORTIONS FOR DETACHABLY SECURING SAID FRONT WALL THERETO; SECOND MEANS SUPPORTED ADJACENT SAID REAR PORTIONS FOR DETACHABLY SE-
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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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |