US1607954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spacing and fastening device
Assignee: Individual
•
Filing: 1923-05-09
•
Granted: 1926-11-23
•
Expires: 1943-05-09
Abstract
No abstract record available.
Inventors
- 👤 Otto W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:57
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/02; E; E04; E04F; E04F13/00; E04F13/02; E04F13/04; E04F13/045
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) | 1929-11-22 | 1930-05-24 | 1930-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-11-22 | 1934-05-24 | 1934-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-11-22 | 1938-05-24 | 1938-11-23 | $7700.00 | Window Closed / Lapsed |