US741685A
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Assignee: Individual
•
Filing: 1903-05-18
•
Granted: 1903-10-20
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Expires: 1923-05-18
Abstract
No abstract record available.
Inventors
- 👤 Frank W Lindgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:21
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/02; E05B65/025; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1024; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5097; Y10T70/5111; Y10T70/5128; Y10T70/5133; Y10T70/70; Y10T70/7441; Y10T70/7486
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) | 1906-10-19 | 1907-04-20 | 1907-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-10-19 | 1911-04-20 | 1911-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-10-19 | 1915-04-20 | 1915-10-20 | $7700.00 | Window Closed / Lapsed |