US2982508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable anchor
Assignee: Individual
•
Filing: 1958-07-31
•
Granted: 1961-05-02
•
Expires: 1978-07-31
Abstract
No abstract record available.
Inventors
- 👤 Larsen Sigwald
- 👤 Sigwald F Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:31
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/56; E06B1/60; E06B1/6015; A; A47; A47B; A47B57/00; A47B57/30; A47B57/54; A47B57/56; A47B57/565
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US479254A
Cited
US989854A
Cited
US1299234A
Cited
US1917450A
Cited
US1930242A
Cited
US2179262A
Cited
US2270796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |