Patent US1618809A successfully refreshed from Google Patents.
US1618809A
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US
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Boot and shoe manufacture
Assignee: PARCO SPECIALTY CO
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Filing: 1925-03-02
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Granted: 1927-02-22
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Expires: 1945-03-02
Abstract
No abstract record available.
Inventors
- 👤 Jerome P Byron
- 👤 Harold A Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:53
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/24; A43B23/25; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24033; Y10T428/24041; Y10T428/2419; Y10T428/24215; Y10T428/24479; Y10T428/24488; Y10T428/24777; Y10T428/24793
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) | 1930-02-21 | 1930-08-23 | 1931-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-02-21 | 1934-08-23 | 1935-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-02-21 | 1938-08-23 | 1939-02-22 | $7700.00 | Window Closed / Lapsed |