Patent US3040473A successfully refreshed from Google Patents.
US3040473A
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Apparatus and method for making a mattress structure
Assignee: Englander Co Inc
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Filing: 1960-09-22
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Granted: 1962-06-26
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Expires: 1980-09-22
Abstract
No abstract record available.
Inventors
- 👤 Justin J Wetzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:02
CPC Classifications
B; B68; B68G; B68G7/00; B68G7/12; A; A47; A47C; A47C31/00; A47C31/10; A47C31/105; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49863; Y10T29/49876
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2738093A
Cited
US2973526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |