Patent US1654207A successfully refreshed from Google Patents.
US1654207A
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Assignee: WALTER D DUNN
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Filing: 1927-05-24
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Granted: 1927-12-27
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Expires: 1947-05-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Bergonzoni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:22
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/02; E05B47/026; E05B47/0001; E05B47/0002; E05B47/0003; E05B47/0004; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1021; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5146; Y10T70/515; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/7124
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) | 1930-12-26 | 1931-06-27 | 1931-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-12-26 | 1935-06-27 | 1935-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-12-26 | 1939-06-27 | 1939-12-27 | $7700.00 | Window Closed / Lapsed |