US2684499A
Expired / Lapsed
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Assignee: PULLMAN Manufacturing CORP
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Filing: 1950-12-05
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Granted: 1954-07-27
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Expires: 1970-12-05
Abstract
No abstract record available.
Inventors
- 👤 Donald M Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:37
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/10; E05D13/12; E05D13/1276; E05D13/1292
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |