US2987682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring apparatus
Assignee: Honeywell Inc
•
Filing: 1955-05-16
•
Granted: 1961-06-06
•
Expires: 1975-05-16
Abstract
No abstract record available.
Inventors
- 👤 Robert P Adams
- 👤 William J Popowsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:41
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/08; H03B5/12; H03B5/1231; H03B5/1203; H03B5/1237; H03B5/1256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2341040A
Cited
US2556286A
Cited
GB760749A
Cited
US2853546A
Cited
US2750508A
Cited
US2778942A
Cited
US2728049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |