US2115065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Headger
Assignee: MSA Safety Inc
•
Filing: 1936-10-15
•
Granted: 1938-04-26
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Expires: 1956-10-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Dym
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:19
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/002; B29C51/004; A; A42; A42B; A42B3/00; A42B3/04; A42B3/06; A42C; A42C2/00; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/22; B29C70/228; B29C70/28; B29C70/40; B29C70/42; B29C70/46; B29L; B29L2031/00; B29L2031/48; B29L2031/4807; B29L2031/4814; B29L2031/4821
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) | 1941-04-25 | 1941-10-25 | 1942-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-25 | 1945-10-25 | 1946-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-25 | 1949-10-25 | 1950-04-26 | $7700.00 | Window Closed / Lapsed |