Patent US1181971A successfully refreshed from Google Patents.
US1181971A
Expired / Lapsed
US
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Screw construction.
Assignee: Individual
•
Filing: 1915-10-06
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Granted: 1916-05-02
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Expires: 1935-10-06
Abstract
No abstract record available.
Inventors
- 👤 Albert K Lovell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:26
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/22; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/149; Y10T24/1492; Y10T24/1494; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49467; Y10T29/49469; Y10T29/49826; Y10T29/49863; Y10T29/49874; Y10T74/00; Y10T74/19; Y10T74/19949; Y10T74/19953
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) | 1919-05-02 | 1919-11-01 | 1920-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-05-02 | 1923-11-01 | 1924-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-05-02 | 1927-11-01 | 1928-05-02 | $7700.00 | Window Closed / Lapsed |