US1428566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring compressor
Assignee: Individual
•
Filing: 1920-12-03
•
Granted: 1922-09-12
•
Expires: 1940-12-03
Abstract
No abstract record available.
Inventors
- 👤 Timmerman Frederic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:13
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/30; B25B27/302; B25B27/304; B25B27/24; B25B27/26; B60; B60G; B60G2206/00; B60G2206/01; B60G2206/90; B60G2206/92; B60G2206/921; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53552; Y10T29/53561
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) | 1925-09-11 | 1926-03-13 | 1926-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-09-11 | 1930-03-13 | 1930-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-09-11 | 1934-03-13 | 1934-09-12 | $7700.00 | Window Closed / Lapsed |