US3437273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray gun
Assignee: GRAY CO Inc
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Filing: 1967-06-29
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Granted: 1969-04-08
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Expires: 1987-06-29
Abstract
No abstract record available.
Inventors
- 👤 Gerald D Hagfors
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:36
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/74; B29B7/76; B29B7/761; B05; B05B; B05B15/00; B05B15/50; B05B15/55; B05B7/00; B05B7/02; B05B7/04; B05B7/0408; B05B7/12; B05B7/1209; B29B7/7438; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8225; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |