Patent US1899656A successfully refreshed from Google Patents.
US1899656A
Expired / Lapsed
US
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Parachute harness
Assignee: Irving Air Chute Co Inc
•
Filing: 1930-09-11
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Granted: 1933-02-28
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Expires: 1950-09-11
Abstract
No abstract record available.
Inventors
- 👤 Wigley Frank Spencer
- 👤 Austing Leonard Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:09
CPC Classifications
B; B64; B64D; B64D17/00; B64D17/22; B64D17/30; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3401; Y10T24/3403; Y10T24/3408; Y10T24/3409
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) | 1936-02-28 | 1936-08-29 | 1937-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-02-28 | 1940-08-29 | 1941-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-02-28 | 1944-08-29 | 1945-02-28 | $7700.00 | Window Closed / Lapsed |