US16874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in weather-strips for doors, windows
Assignee: —
•
Filing: —
•
Granted: 1857-03-24
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Expires: 1874-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:06
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/18; E06B7/20; Y; Y10; Y10S; Y10S16/00; Y10S16/40; Y10S292/00; Y10S292/70; Y10S528/00; Y10S528/931; Y10S528/934; Y10S528/937; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1016; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5319; Y10T70/5341
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) | 1860-03-23 | 1860-09-22 | 1861-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1864-03-23 | 1864-09-22 | 1865-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1868-03-23 | 1868-09-22 | 1869-03-24 | $7700.00 | Window Closed / Lapsed |