US3244312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container
Assignee: Individual
•
Filing: 1961-03-06
•
Granted: 1966-04-05
•
Expires: 1981-03-06
Abstract
No abstract record available.
Inventors
- 👤 Frank W Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:00
CPC Classifications
B; B65; B65D; B65D45/00; B65D45/02; B65D45/16; B65D45/20; B65D25/00; B65D25/20; B65D25/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A CONTAINER COMPRISING TWO READILY SEPARABLE NESTABLE MEMBERS EACH HAVING SIDE WALLS EXTENDING AXIALLY FROM A CLOSED BASE TO A RELATIVELY LARGER OPEN BASE EACH HAVING SUBSTANTIALLY RETANGULAR CROSS SECTIONS PARALLEL TO SAID BASES, MEANS CARRIED BY SAID OPEN BASES PROVIDING INTERENGAGING RADIAL SURFAES RELATIVELY SUPPORTING SAID MEMBERS WITH THEIR PROXIMATE SIDE WALLS IN SPACED RELATIONSHIP WHEN SAID MEMBERS ARE NESTED, SAID SIDE WALLS CONTAINING STEPPED PRISMATIC PERIPHERAL SECTIONS, SAID LARGER OPEN BASES TERMINATING IN COMPLEMENTARY SEALING SURFACES AND CARRYING COOPERATING CLAMPING ELEMENTS.
Claim 2
Dependent Claim
83 words
A CONTAINER COMPRISING TWO READILY SEPARABLE NESTABLE MEMBERS EACH HAVING SIDE WALLS EXTENDING AXIALLY FROM A CLOSED BASE TO A RELATIVELY LARGER OPEN BASE EACH HAVING SUBSTANTIALLY RETANGULAR CROSS SECTIONS PARALLEL TO SAID BASES, MEANS CARRIED BY SAID OPEN BASES PROVIDING INTERENGAGING RADIAL SURFAES RELATIVELY SUPPORTING SAID MEMBERS WITH THEIR PROXIMATE SIDE WALLS IN SPACED RELATIONSHIP WHEN SAID MEMBERS ARE NESTED, SAID SIDE WALLS CONTAINING STEPPED PRISMATIC PERIPHERAL SECTIONS, SAID LARGER OPEN BASES TERMINATING IN COMPLEMENTARY SEALING SURFACES AND CARRYING COOPERATING CLAMPING ELEMENTS.
References Cited (Backward Citations)
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Cited
US2907492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |