Patent US1303439A successfully refreshed from Google Patents.
US1303439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
William hynes wilson
Assignee: —
•
Filing: —
•
Granted: 1919-05-13
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Expires: 1936-05-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:45
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/24; E04B1/2403; F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/048
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) | 1922-05-12 | 1922-11-11 | 1923-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-05-12 | 1926-11-11 | 1927-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-05-12 | 1930-11-11 | 1931-05-13 | $7700.00 | Window Closed / Lapsed |