US2536259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filler track
Assignee: Hynson Westcott and Dunning Inc
•
Filing: 1947-03-10
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Granted: 1951-01-02
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Expires: 1967-03-10
Abstract
No abstract record available.
Inventors
- 👤 John H Brewer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:21
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/42; B65B43/54; B67; B67C; B67C7/00; B67C7/0006; B67C2007/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US831064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |