US1173820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buoy-coupling.
Assignee: Individual
•
Filing: 1915-09-01
•
Granted: 1916-02-29
•
Expires: 1935-09-01
Abstract
No abstract record available.
Inventors
- 👤 William H Logan
- 👤 John Nielson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:01
CPC Classifications
B; B63; B63B; B63B22/00; B63B22/04; F; F16; F16B; F16B45/00; F16B45/02; F16B45/035; B63B2205/00; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3902
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1919-02-28 | 1919-08-30 | 1920-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-02-28 | 1923-08-30 | 1924-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-02-28 | 1927-08-30 | 1928-02-29 | $7700.00 | Window Closed / Lapsed |