US3038623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spaced wall container
Assignee: CRUNDEN MARTIN Mfg Co
•
Filing: 1961-02-01
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Granted: 1962-06-12
•
Expires: 1981-02-01
Abstract
No abstract record available.
Inventors
- 👤 Emil A Schwarz
- 👤 Marvin G Kern
- 👤 John B Haselhorst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:48
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/38; B65D81/3837; B65D81/3846; A; A47; A47J; A47J41/00; A47J41/0055; A47J41/0072; A47J41/0077
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US884315A
Cited
US964080A
Cited
US1179725A
Cited
US1416232A
Cited
US1477101A
Cited
US1771123A
Cited
US1991574A
Cited
DE947273C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |