Patent US1915249A successfully refreshed from Google Patents.
US1915249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient buffer
Assignee: JORGENSEN SPECIALTY Co
•
Filing: 1931-08-31
•
Granted: 1933-06-20
•
Expires: 1951-08-31
Abstract
No abstract record available.
Inventors
- 👤 Jorgensen Hans Gotfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:55
CPC Classifications
A; A47; A47B; A47B91/00; A47B91/04; E; E05; E05F; E05F5/00; E05F5/06; Y; Y10; Y10S; Y10S152/00; Y10S152/11; Y10S220/00; Y10S220/19; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45524; Y10T24/45545; Y10T24/4555; Y10T29/00; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1936-06-19 | 1936-12-19 | 1937-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-06-19 | 1940-12-19 | 1941-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-06-19 | 1944-12-19 | 1945-06-20 | $7700.00 | Window Closed / Lapsed |