US1988964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
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Filing: 1932-07-15
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Granted: 1935-01-22
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Expires: 1952-07-15
Abstract
No abstract record available.
Inventors
- 👤 Barrows Charles Storrs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:33
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10036; B32B17/10045; B32B17/10055; B32B17/1055; B32B17/10559; B32B17/10577; E; E06; E06B; E06B3/00; E06B3/66; E06B3/67; E06B3/6715; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24446; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/24711; Y10T428/31504; Y10T428/31551; Y10T428/31634
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) | 1938-01-21 | 1938-07-23 | 1939-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-01-21 | 1942-07-23 | 1943-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-01-21 | 1946-07-23 | 1947-01-22 | $7700.00 | Window Closed / Lapsed |