Patent US1306642A successfully refreshed from Google Patents.
US1306642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
stevens
Assignee: —
•
Filing: —
•
Granted: 1919-06-10
•
Expires: 1936-06-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:59
CPC Classifications
D; D06; D06H; D06H7/00; D06H7/04; D06H7/06; B; B26; B26D; B26D5/00; B26D5/02; Y; Y10; Y10T; Y10T83/00; Y10T83/525; Y10T83/538; Y10T83/768; Y10T83/7755; Y10T83/7763; Y10T83/7776; Y10T83/778; Y10T83/7809; Y10T83/7822; Y10T83/7826
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) | 1922-06-09 | 1922-12-09 | 1923-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-06-09 | 1926-12-09 | 1927-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-06-09 | 1930-12-09 | 1931-06-10 | $7700.00 | Window Closed / Lapsed |