US629638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric door-opener.
Assignee: Individual
•
Filing: 1898-09-15
•
Granted: 1899-07-25
•
Expires: 1918-09-15
Abstract
No abstract record available.
Inventors
- 👤 Adolph F T Wiechers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:36
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/0001; E05B47/0002; Y; Y10; Y10S; Y10S200/00; Y10S200/08; Y10S200/29; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1021; Y10T70/00; 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) | 1902-07-25 | 1903-01-24 | 1903-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-07-25 | 1907-01-24 | 1907-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-07-25 | 1911-01-24 | 1911-07-26 | $7700.00 | Window Closed / Lapsed |