US2792932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring block for carrying cases for musical wind instruments
Assignee: Individual
•
Filing: 1954-07-14
•
Granted: 1957-05-21
•
Expires: 1974-07-14
Abstract
No abstract record available.
Inventors
- 👤 Freistat Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:25
CPC Classifications
A; A45; A45C; A45C13/00; A45C13/02; A45C5/00; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44573; Y10T24/44581
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US402791A
Cited
US486726A
Cited
US670446A
Cited
FR389096A
Cited
US1226029A
Cited
US1664476A
Cited
US2403718A
Cited
US2508076A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |