Patent US4128870A successfully refreshed from Google Patents.
Patent US2376039A successfully refreshed from Google Patents.
US2376039A
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Packing
Assignee: Johns Manville Corp
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Filing: 1943-04-09
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Granted: 1945-05-15
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Expires: 1963-04-09
Abstract
No abstract record available.
Inventors
- 👤 Driscoll James
- 👤 Emil J Poltorak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:41
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/20; F16J15/22; D; D04; D04B; D04B1/00; D04B1/22; D04B1/225; D04C; D04C1/00; D04C1/06; D04C1/12; D10; D10B; D10B2101/00; D10B2101/20; D10B2505/00; D10B2505/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-05-14 | 1948-11-13 | 1949-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-05-14 | 1952-11-13 | 1953-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-05-14 | 1956-11-13 | 1957-05-15 | $7700.00 | Window Closed / Lapsed |