US2745558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supports for archery equipment
Assignee: Individual
•
Filing: 1952-12-23
•
Granted: 1956-05-15
•
Expires: 1972-12-23
Abstract
No abstract record available.
Inventors
- 👤 Stephen H Greenspan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:02
CPC Classifications
F; F41; F41B; F41B5/00; F41B5/14; F41B5/1442; F41B5/1453; F41B5/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US223667A
Cited
US1733868A
Cited
US1660479A
Cited
US2100421A
Cited
US1951894A
Cited
US2249142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |