Patent US3297079A successfully refreshed from Google Patents.
Patent US2562262A successfully refreshed from Google Patents.
US2562262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing
Assignee: Johns Manville Corp
•
Filing: 1946-01-26
•
Granted: 1951-07-31
•
Expires: 1966-01-26
Abstract
No abstract record available.
Inventors
- 👤 Sr Walter M De Witt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:36
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/20; F16J15/22; D; D04; D04C; D04C1/00; D04C1/02; D04C1/06; D04C1/12; D10; D10B; D10B2505/00; D10B2505/06; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2973
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US567270A
Cited
US2250863A
Cited
US1067000A
Cited
US1035190A
Cited
US2353226A
Cited
US2398210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |